Grow your own Boobs expands 6 times, its size when you add water, creating the ultimate party gag that gets everyone laughing. Reusable after drying out for multiple rounds of hilarious entertainment.
Key Features:
Hilarious expandable novelty that grows up to six times original size when water is added creating memorable entertainment for adult parties and celebrations.
Reusable party gag that can be dried out completely and used again for multiple rounds of fun at different adult gatherings and events.
Perfect conversation starter and icebreaker for hens nights bucks parties and adult themed celebrations where humor and novelty are appreciated by guests.
Simple water activation process requires no special skills or complicated instructions making it accessible entertainment for all adult party participants to enjoy.
Lightweight portable design allows easy transport to any venue while durable construction ensures the novelty survives multiple uses and handling during parties.
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Grow Your Own Boobs is a water-activated novelty that expands up to six times its original size, turning any adult party into a laugh-filled spectacle. Perfect for hens nights, bucks parties, and celebrations where shared moments matter, it delivers instant entertainment and genuine bonding through visual comedy.
Why choose the Grow Your Own Boobs by MDI Australia
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📦 Discreet plain-wrapped delivery • 💳 Private billing • ↩️ Easy size-swap returns |
Submerge this novelty in room-temperature water and watch it transform before your guests' eyes. Within minutes, the expandable polymer material begins swelling, creating suspense as the size gradually increases. Everyone naturally gathers closer to witness the spectacle, leaning in to see each stage of the expansion unfold.
Lightweight construction keeps it easy to handle while the transformation happens, so guests can move around the container without strain. Love Dolls and similar novelty items offer different entertainment styles, but this one thrives on the shared experience of watching something grow in real time. Once it reaches full size, the visual comedy hits hard—genuine belly laughs and perfect photo moments bond your group together in ways people genuinely remember long after the party ends.
This novelty doesn't require fitting or sizing in the traditional sense—it's designed for any adult to handle and watch expand. Cockringshop specialise in products for men and couples, and we stock items to suit different preferences and body types, but the Grow Your Own Boobs works as a group entertainment piece rather than a personal fit item. Simply ensure you have a water container large enough to fully submerge it and enough clear space around your setup so guests can gather safely and see the action from all angles without crowding.
Fill a container with room-temperature water and fully submerge the novelty. Position it where all your party guests have a clear view—the slow, gradual growth creates suspense that builds genuine excitement. Clear surrounding space so everyone can lean in safely and watch the transformation without bumping into each other.
Let it reach full size before removing it from the water to maximize the visual impact and photo opportunities. Once the entertainment value peaks and guests have had their laughs, simply air dry it completely in a dry location. Store it dry and it's ready to surprise a whole new group of friends at your next celebration.
| Feature | Specification | Benefit | Experience |
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| Expansion Rate | 6x original size | Creates maximum visual comedy impact | Guests get genuinely surprised by dramatic change |
| Reusability | Multiple uses after drying | Enables repeated entertainment value | Party hosts can use at different events |
| Activation | Simple water submersion | Allows easy demonstration for any guest | No complicated setup disrupts party flow |
| Material Safety | Non-toxic polymer | Ensures worry-free handling during parties | Guests can touch and examine without concern |
Anyone planning adult celebrations where breaking the ice matters will love how this gets shy guests participating and laughing together. Brides wanting memorable hens night activities find it creates bonding moments without embarrassing anyone. Party hosts who collect reusable entertainment pieces appreciate that it works repeatedly rather than ending up in the trash after one use.
Groups comfortable with cheeky humor but wanting something lighthearted rather than explicitly sexual get the perfect balance. Skip this if your guests prefer subtle entertainment or find novelty party items awkward—it's deliberately attention-grabbing and designed to be the centerpiece of the room, not a background piece.
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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 → |
Other novelty party items come in many forms, from inflatable decorations to novelty costumes, but what sets this one apart is the real-time transformation element. Watching something expand in water creates active suspense and shared observation that static novelties don't deliver. Kmp Produce offers alternative novelty ranges with different entertainment styles, so choose based on whether your group prefers watching live transformation or prefers other forms of party comedy.
| 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. 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. |
Pair this with other group entertainment items or party games that keep energy high throughout your event. Couples Intimacy Kits work well alongside novelty entertainment for celebrations where you want both group laughs and intimate moments. Use it early in the event to break the ice and get everyone relaxed and laughing before moving into other activities.
MDI Australia specializes in novelty adult products and party entertainment items designed to add genuine fun to celebrations. Mdi Australia offers a range of products for different party styles and group preferences, from lighthearted novelties to other adult entertainment options.
Looking for more ideas on how to create memorable party moments? First Glory Hole Experience on the Adultsmart blog offers guides on different ways to approach adult party entertainment and group experiences.
Ready to buy with your size sorted? Order the Grow Your Own Boobs by MDI Australia from The Cock Ring Store, your trusted source for genuine, function-tested and quality-checked adult products. Cockringshop ships in discreet packaging to keep your privacy intact, if you're buying for a hens night, a bucks party, or any adult celebration where shared laughter matters. Real fit advice, body-safe materials, and plain-packaged shipping. The Cock Ring Store ships discreetly Australia-wide.
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.
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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.
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.
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Under Australian Consumer Law, we are not obliged to accept returns for “incorrect choice” or “change of mind” so please choose your products carefully.
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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
We ship same day on all in-stock orders placed before 12pm! Free shipping on all orders above $200.
All of our shipments come in discreet packaging ensuring those nosy neighbours will never know!
We ship our full range of products worldwide with fast dispatch for orders before 12pm Sydney EST!
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