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B BALLS UNO Weighted Kegel Ball by Fun Factory

$24.99
$24.99

The Fun Factory B BALLS UNO uses a weighted internal ball to deliver shifting sensations during anal play. This 7.3cm medical-grade silicone plug responds to your movement, creating natural stimulation without vibration for deeper pleasure.

Key Features:

Weighted ball responds dynamically to every thrust during partnered anal penetration.

Tapered silicone design eases insertion smoothly for anal beginners and newcomers.

Medical-grade material maintains warmth and never creates drag against internal ball movement.

Waterproof construction enables shower, bath, and water-based play without restrictions.

Flat base remains flush against body even during clothed wear or daily activity.

Vendor: Fun Factory
SKU: NEW-10357-BLACK
Availability: In stock
Product type: Butt Plugs
Please hurry! Only 1 left in stock
Colour: Black

B BALLS UNO is a compact weighted anal plug with an internal moving ball that creates natural sensations through your own movement, not vibration. Ideal for anal beginners and men exploring prostate pleasure, it responds to every thrust and clench.

Why choose the B BALLS UNO Weighted Kegel Ball by Fun Factory
  • Internal weighted ball: Moves with your motion, not batteries
  • Tapered entry: Slides in smoothly for comfortable first insertion
  • Medical-grade silicone: Body-safe, non-porous, warm to the skin
  • Prostate contact: Indirect stimulation through rectal wall movement
  • Stays in place: Flat base sits flush during partnered sex
  • Waterproof design: IPX7 rated for shower and bath use
  • 25-year warranty: Covers material defects on this sex toy
📦 Discreet plain-wrapped delivery  •  💳 Private billing  •  ↩️ Easy size-swap returns

What it does

A weighted ball inside this plug rolls freely with every motion you make. Unlike a static plug, the B BALLS UNO responds directly to your body. When you thrust forward, the ball swings deeper; when you pull back, it settles differently. Your own contractions and movements drive the sensation, creating constant pressure changes that target your anal nerve endings in ways a stationary sex toy cannot.

As arousal builds, your ass naturally contracts around the plug, which makes the internal ball swing harder with each clench. Men often feel this as indirect prostate stimulation through the rectal wall, building pressure that can lead to orgasms that feel distinctly different. Beginner Prostate Beads offer a similar approach for those new to prostate play. During partnered sex, every thrust from your partner makes the ball move in unpredictable ways, deepening sensation the longer you wear it.

Specifications

  • Length: 7.3 cm
  • Diameter: 3.4 cm
  • Material: Premium medical-grade silicone
  • Mechanism: Mechanical weighted ball, no vibration or batteries
  • Waterproof rating: IPX7 standard
  • Base: Flat design for secure fit
  • Warranty: 25-year manufacturer coverage

Size and first use

At 3.4 cm diameter, this plug is slim enough for anal beginners yet substantial enough to create real sensation. Start by warming up with fingers or a smaller sex toy to relax your opening. Apply plenty of water-based lubricant to both the tapered tip and your entrance—smooth insertion helps you feel the ball's movements more clearly. Slowly push the plug in until the flat base sits snug against your cheeks, then breathe and let your body adjust to the internal weight. Cockringshop specialises in products for men and couples exploring anal play, so you'll find support choosing the right starting size.

How to use it

Once inserted and settled, movement is what makes this plug work. Rock your hips forward and backward, clench your anal muscles, or have your partner thrust in and out. Every motion causes the internal ball to swing differently. Start slowly to understand how your body feels with each movement, then gradually increase tempo and intensity as you become comfortable.

Sensation peaks during faster movements and deeper penetration, when the ball's weight creates maximum stimulation against your rectal walls and toward your prostate. After use, rinse the plug under warm water with mild soap, or use your regular toy cleaner. Store it in a clean, dry place away from direct heat or sunlight to keep the medical-grade silicone in good condition.

Feature breakdown

Feature Specification Benefit Experience
Internal weighted ball Rolls freely inside the plug Responds to your movement, not motors Sensation deepens with your own thrusts and contractions
Tapered shape 3.4 cm diameter, smooth entry Eases in easily for beginners Less pressure on entry, more focus on internal sensation
Medical-grade silicone Body-safe, non-porous material Warm feel, no artificial texture Comfortable wear and easy cleaning
Flat base Sits flush against your body Stays put during partnered sex Secure fit allows focus on sensation, not adjustment

Who it suits

This plug is perfect for anal beginners who want sensation beyond a static plug but aren't ready for vibration. Its slim 3.4 cm diameter works well for first-timers, yet the weighted ball creates real, noticeable stimulation. Men exploring prostate pleasure will appreciate how the ball's movement translates to indirect prostate contact through the rectal wall, building pressure and sensitivity over time.

Couples love the B BALLS UNO for partnered play because the plug stays securely in place during sex, and the partner's thrusting directly controls the ball's movement. Skip this if you prefer static sensation with no internal movement, or if you want a larger diameter plug for deeper insertion. Those seeking vibration should look elsewhere, as this is purely mechanical.

Tested and quality-checked

Every new line we stock is hands-on tested before it ever goes live — we power it up, run it through its functions, and check it for safety and for how it actually performs. Overseas orders get a second function-test right before they ship, so a dead motor never reaches your door. Nothing is used for its intended purpose; it is checked, inspected, and re-boxed. What that means for you is simple: the unit you open is one we already know works. See how we test every product →

How it compares

Unlike vibrating plugs that use motors and batteries, the B BALLS UNO creates sensation through your own movement alone. This means no noise, no charge time, and sensation that responds to your body rather than a preset pattern. Slide Easy Prostate Plugs offer similar motion-based stimulation in different sizes and shapes. If you prefer constant buzzing and external control, a vibrating plug may suit you better; if you want your own body to drive the sensation, the weighted ball approach is the stronger choice.

Please read — safety first. Put the ring on before you are fully erect and use plenty of water-based lubricant so it slides on without pinching. Keep wear time short — no more than 20 minutes while you are getting used to it, and never fall asleep wearing one. Take it off straight away if you feel numbness, coldness, a change in colour, or any pain, as these mean blood flow has been cut off too far. Never share between partners without cleaning the item first or using a fresh condom. As porous materials can harbour bacteria, use a condom over them for sharing or easy clean-up. This information is general in nature only and is not medical or professional advice, and does not take your personal circumstances into account. Stop use and speak with a qualified medical professional if you have a relevant health condition, take medication for erectile function or blood pressure, or notice pain, numbness, or discolouration that does not settle.

What you can use it with

Pair this plug with Cock Ring Sets during partnered sex to maintain your partner's erection while the plug stays in place. A cock ring helps sustain firmness and control during longer sessions, allowing you to focus fully on the plug's sensation without distraction. Together, they create a more complete experience for both partners during anal play.

More from Fun Factory

Fun Factory makes a full range of body-safe adult toys for men and couples, from rings and plugs to prostate toys and wearables. Fun Factory products are known for premium silicone, thoughtful design, and reliable warranty support. Browse the full collection to find other sex toys that match your interests.

Read more before you buy

Want practical guidance on anal play with a partner? Wife Butt Fucks Husband is a good starting point on the Adultsmart blog for couples exploring this together.

Why buy the B BALLS UNO Weighted Kegel Ball by Fun Factory

Want firmer, longer-lasting results without the guesswork? Order the B BALLS UNO Weighted Kegel Ball from The Cock Ring Store and receive a genuine, function-tested, quality-checked product in discreet packaging with fast shipping. Cockringshop stocks Fun Factory's full range and backs every purchase with expert advice. Real fit advice, body-safe materials, and plain-packaged shipping. The Cock Ring Store ships discreetly Australia-wide.

Shipping Information & Policy


Cockringshop.com.au ships with Australia Post. We ship from Sydney.

All in-stock orders placed before 12pm AEST (Sydney Time) on business days are generally processed on the same day. Packages are usually received 1-6 business days after shipping, but may subject to any postage carrier related delays beyond our control.

Free standard shipping on orders shipped within Australia above $200. For orders below $200 standard shipping within Australia is $12.95 and will be added at checkout.

Orders addressed to P.O box, G.P.O box or Parcel Collect will be handled by Australia Post. Extra time should be allocated for these orders.

Shipping Transit Times (Including Free Shipping)

Shipping time refers to the estimated time that it will take to deliver your order after it’s ready to ship (Please note this does not include time to process your order). Shipping time does not commence after your order is put through but begins the moment your order has been processed and is ready to dispatch via the our freight carrier..

1. Major City & Metro Areas (within Australia)

All in stock orders are generally processed on the same day the order was placed on business days for orders received before 12pm. Generally, orders are processed and shipped the same day or next business day.

Orders are typically received 1-6 business days after shipping. For larger packages please allow an extra 1-2 business days for delivery.

If no one is available at your delivery address to accept your order a second delivery may be scheduled or you will be notified that your order can be collected from the nearest depot location.

2. Rural Areas (within Australia)

All orders are generally processed on the same day the order was placed on business days before 12pm.

Generally, orders are processed and shipped the same day or next Business day.

Packages below 2kg are usually received 3-6 business days after shipping. For larger packages please allow an extra 1-2 business days for delivery.

If no one is available at your delivery address to accept your order a second delivery may be scheduled or you will be notified that your order can be collected from the local Australia Post depot.

International Shipping

The price for international shipping is AU$12.95 for orders equal to or below 0.399kg (399grams), and AU$22.95 for orders with a total weight equal to or above 0.4kg (400 grams).

All in-stock orders placed before 12pm AEST (Sydney Time) on business days are generally processed on the same day. Packages are usually received 6-30 business days after shipping. 

If no one is available at your delivery address to accept your order a second delivery may be scheduled or you will be notified that your order can be collected from your nearest delivery depot.

Please note in regards to all orders

– These expected delivery dates/times are based on carrier shipping practices, your destination, and the items in your order.

– Expected delivery dates are estimates. Orders can be delayed due to fraud verification or the time of the order being placed. Items that are not regularly stocked cannot be held to the expected delivery dates.

– Orders may be delivered in separate shipments.

– The order cut off times are based on normal Business Hours and exclude weekends and Holidays: Monday – Friday 12 pm

– When your order ships you will receive an email from us with a link to track your order.  If you receive your tracking number before 6 pm (AEST) it may not be updated on the Carrier’s website until that evening.

Due to large amounts of online credit card fraud, all orders are subject to approval by our payment verification department. We will notify you by phone or email should your order be delayed.

Returns Policy


We have a 14 day return policy, which means you have 14 days after receiving your item to request a refund for any defective products.

Returns and exchanges are only available for faulty items, goods not as described, or in some instances, for incorrect sizing.

Due to health and safety regulations, cockringshop.com.au cannot resell any returned or exchanged products.

This policy is in place to prioritise your well-being and ensure that you receive the highest standard of hygiene and quality in all products.

To be eligible for a refund, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging.

You’ll also need the receipt or proof of purchase. We do not issue refunds for change of mind or incorrect choice.

Under Australian Consumer Law, we are not obliged to accept returns for “incorrect choice” or “change of mind” so please choose your products carefully.

Any freight and insurance costs to return the item to us are at your expense. This includes the liability for any lost freight – send via registered post.

If your return request is accepted, we will provide you with all instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

Damages and issues

Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exceptions / non-returnable items

We do not accept returns for any products that have change of mind, damaged products, or for products that have been used or do not have their original packaging.

Please get in touch if you have questions or concerns about your specific item.

Unfortunately, we cannot accept returns on sale items or gift cards.

Refunds

We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 7 business days.

Please remember it can take some time for your bank or credit card company to process and post the refund

Frequently Asked Questions

What is the Fun Factory B BALLS UNO Weighted Kegel Ball and how does it differ from vibrating anal toys?
Fun Factory B BALLS UNO is a compact anal plug featuring an internal weighted ball that moves with your body rather than vibrating. Measuring 7.3 cm long with a 3.4 cm diameter, the tapered design slides in smoothly for anal beginners. Unlike electric toys, this mechanical system responds directly to thrusting—each movement makes the internal ball swing differently, creating sensations that intensify with penetration depth and partner participation during sex.
Can the Fun Factory B BALLS UNO stay inserted during partnered penetrative sex without shifting out of position?
Absolutely—the flat base sits flush against your body and stays put during intercourse. Medical-grade silicone hugs your anal walls naturally while the weighted ball moves freely inside, responding to your partner's thrusting rather than slipping outward. Customers report the toy actually enhances partnered sex because every thrust from your partner directly controls the internal ball's movement, creating synchronized sensations that build arousal together.
How does the internal weighted ball mechanism create different sensations than standard static anal plugs?
Each body movement causes the weighted ball to swing and settle differently inside your ass, targeting anal nerve endings with constantly changing pressure. Slow thrusts generate gentle internal rolling, while deeper penetration makes the ball swing harder against your rectal walls and toward your prostate. After selling hundreds of these, we've found men experience more intense, localized orgasms because the sensation demands active engagement rather than passive buzzing throughout wear.
Does the Fun Factory B BALLS UNO provide effective prostate stimulation for men exploring P-spot pleasure?
Yes—the weighted ball creates indirect prostate contact through rectal wall movement, generating rhythmic pressure that builds during thrusting. Most wearers report the sensation feels different from vibrators because it responds dynamically rather than maintaining constant stimulation. This works beautifully for couples during penetrative sex since your partner's participation directly amplifies internal pressure, making shared prostate exploration more interactive and synchronized.
Is the Fun Factory B BALLS UNO waterproof for shower and bath play, and what maintenance does it require?
Completely waterproof to IPX7 standard, enabling spontaneous shower or bath sessions without disassembly or drying concerns. Simply rinse with warm water and mild soap after use, then pat dry—no batteries, charging cables, or complex cleaning required. Medical-grade silicone construction means zero porous surfaces where bacteria hide, making maintenance genuinely minimal and hygiene straightforward for extended wear comfort.

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