How to Make a 'Clone-A-Willy': A Step-by-Step Guide
Ever wondered how couples turn a private in-joke into an actual keepsake? A Clone-A-Willy kit is a home casting kit — a self-contained set that lets you make a moulded replica at home in about an hour. It is simpler than most people expect, considerably messier than most people expect, and genuinely funny to do together. If you have been searching for how to make a willy cast at home, here is exactly how the process works, start to finish.
What is a 'Clone-A-Willy' and Why Make One?
A Clone-A-Willy kit is a two-stage casting kit. Stage one uses a skin-safe moulding powder to capture an impression. Stage two pours a casting material into that mould to produce the finished replica. The underlying technique is the same one used for casting hands, baby feet, and sculpture maquettes — the kit simply packages it for a specific purpose.
Which version to buy
The range on couplegifts.com covers several variants of the same core process. Prices below were current at the time of writing and are listed per product page.
| Version | Price | What differs |
|---|---|---|
| Clone A Willy + Vibrator Kit | $49.00 | The entry option; includes the vibrating insert |
| Clone A Willy Medium Tone | $59.95 | Medium skin-tone silicone |
| Clone A Willy Kit: Deep Tone | $59.95 | Deep skin-tone silicone |
| Hot Pink Kit | $59.95 | Hot pink silicone, vibrating |
| Neon Purple Kit | $59.95 | Neon purple silicone, vibrating |
| Blue Glow In The Dark | $59.95 | Glow-in-the-dark finish |
| Hot Pink Glow In The Dark | $59.95 | Glow-in-the-dark finish |
| Clone-A-Willie With Balls | $99.00 | Larger mould covering more area |
If you already own a kit and want to cast again, the refills are cheaper than a full kit: moulding powder refill at $17.00 and silicone refill at $29.00. You need both to make a second cast — the powder alone will not do it.
There is also a Clone A Pussy kit at $34.95 that uses the same casting principle, if you would rather make a pair.
Why couples make one
- It is a keepsake, not just a novelty. Plenty of people make one before a deployment, a long-distance stretch, or a milestone anniversary.
- It is an activity, not a purchase. Doing it together is most of the point. Expect laughing, at least one thing going slightly wrong, and a decent story afterwards.
- It is genuinely personal. As anniversary gifts and romantic gestures go, it is not something anyone else could have bought.
A note on materials and safety
The kits sold on couplegifts.com are made by Empire Laboratories Inc., and the product listings state that the moulding powder is medically tested, with the casting material being 100% platinum-cure silicone. Across the range the listings specify phthalate-free, latex-free and made in the USA. The moulding stage uses an alginate-type impression powder — the same family of material dental practices use.
Vibrating versions take a single AA battery. Verify materials, colour and battery details on the individual product page, as they differ between versions.
Because formulations differ between kits and versions, read the instruction sheet that came with your specific kit rather than relying on any general guide, including this one. Follow the manufacturer's stated mixing ratios, set times and safety notes exactly. If either partner has a known sensitivity to alginate or silicone, patch-test on a small area of skin first. Keep all materials away from eyes, and do not use the kit on broken or irritated skin.
Unboxing Your 'Clone-A-Willy' Kit: What's Inside?
Open the box and lay everything out on a protected surface before you start. Contents vary by version, but a standard kit contains:
- Moulding powder — the alginate that captures the impression.
- Casting material — silicone or a plaster-type powder, sometimes with a colour additive.
- A moulding tube — the clear container the impression is made in.
- Measuring cup(s) — usually marked with fill lines specific to the kit.
- Mixing stick or spatula.
- Vibrating bullet or display stand, depending on the version.
- Instruction manual.
Before you begin: a five-minute checklist
- Check every component is present and sealed. Powders that have absorbed moisture will not set correctly.
- Read the instructions all the way through, twice. This is the single biggest predictor of a good result.
- Check the working time stated on your kit — with alginate it is often only 60 to 90 seconds once mixed.
- Cover your work surface. Newspaper, an old towel, or a plastic sheet.
- Have warm water ready at the temperature the instructions specify. Water temperature directly controls how fast alginate sets: warmer sets faster, cooler sets slower.
- Set a timer on your phone. Do not estimate.
Step-by-Step Guide to Creating Your Clone
Step 1: Trim and prepare
Trim any hair in the area thoroughly — this is the step people skip and regret, because alginate grips hair firmly. Some people also apply a thin layer of a water-based lubricant as a release aid. Check whether your kit recommends this.
Step 2: Mix the moulding powder
- Fill the measuring cup with water to the marked line, at the specified temperature.
- Add the moulding powder and stir immediately and briskly for the stated time — usually around 45 seconds.
- Aim for a smooth, lump-free consistency similar to thick pancake batter.
- Do not over-mix past the stated time. Alginate begins setting the moment it hits water.
Step 3: Make the impression
This is the one-shot step. Once the alginate begins to gel, you cannot restart it — a failed impression means opening a new kit.
- Pour the mixed alginate into the moulding tube straight away.
- Insert and hold position steadily for the full set time given in the instructions, typically two to three minutes.
- Stay still. Movement is the most common cause of a distorted mould.
- Withdraw slowly and straight upward once the alginate has firmed to a rubbery, non-tacky texture.
Because arousal is required for the impression and alginate can feel cool on contact, most instructions suggest allowing a relaxed lead-in rather than rushing straight to the moulding step. This is normal and is worth planning for.
Step 4: Mix and pour the casting material
- Prepare the casting material per the manufacturer's ratio. Silicone versions typically use two parts that must be combined thoroughly and evenly.
- Pour slowly in a thin stream into one point in the mould, letting it flow up and fill from the base.
- Pouring slowly is what prevents air bubbles, which are the usual cause of pits in the finished surface.
- Tap the tube gently on the work surface a few times to release trapped air.
Demoulding and Finishing Touches
Curing
Leave the cast to cure for the full time stated on your kit — commonly 24 hours for silicone, considerably less for plaster-type compounds. Do not test it early by prodding; partial cures deform permanently. Keep it upright, at room temperature, away from direct heat or sunlight.
Removing the cast
- Peel the alginate away in sections rather than pulling the cast out. Alginate tears easily by design.
- Work from the top down, taking your time.
- If it resists, run a little warm water over the outside of the mould to soften it.
- The mould is single-use — it cannot be reused for a second cast.
Cleaning and care
- Wash the finished cast with mild unscented soap and warm water, then air-dry fully.
- For silicone casts, avoid silicone-based lubricants, which degrade the surface. Use water-based only.
- Store it clean, dry, and away from dust — a cloth bag or a lined box works well.
- Follow the cleaning and body-safety guidance in your kit's manual, particularly for anything intended for intimate use.
Tips for a Successful and Fun Experience
Set the right environment
- Choose a time you will not be interrupted. Ninety minutes, doors closed, phones on silent except the timer.
- Warm room, good light. Both help — alginate behaves better warm, and you will want to see what you are doing.
- Bathroom or kitchen is easier than a carpeted bedroom for the messy parts.
Embrace the awkward bits
Something will be funnier than intended. That is the experience, and couples who go in expecting a polished result are the ones who end up frustrated. Talk through the steps beforehand so you both know what happens when, and agree in advance that either of you can call it off at any point without it being a big deal.
Troubleshooting
| Problem | Likely cause | What to do |
|---|---|---|
| Alginate set before pouring | Water too warm, or mixed too long | Use cooler water next attempt; mix for the stated time only |
| Alginate never firmed | Water too cold, or wrong ratio | Measure by the marked line, not by eye |
| Distorted mould | Movement during setting | Brace comfortably next time; a seated position helps |
| Bubbles or pits in the cast | Poured too fast | Pour in a thin stream, tap the tube to release air |
| Cast soft after curing | Insufficient cure time or uneven mixing | Allow full stated time; mix silicone parts thoroughly |
| Cast broke on removal | Pulled rather than peeled | Peel the mould away in sections |
Most first attempts have at least one small flaw. Many couples buy a second kit precisely because the first one taught them what to do differently.
Beyond the First Cast: Creative Uses and Display Ideas
Personalising it
- Paint or tint. Some versions include colour additives; others take standard silicone-safe pigments. Glow-in-the-dark versions exist as their own kit variant.
- A custom stand or plinth, engraved with a date, turns it into an actual keepsake object.
- Photograph the process, not just the result — the picture of the two of you mid-mix ages better than the object does.
Storing and displaying
- A memory box with the date and a short note is the most common approach, and the most private.
- A display stand in a drawer or a lidded box works if you would rather it stayed out of general view.
- Consider who else has access to the space before deciding on anything visible. Most people opt for discreet storage.
Going again
If the first cast came out well, some couples make a second at a later milestone as a deliberate pair. If it did not, a second kit with the benefit of experience almost always produces a better result.
Ready to try it? Browse the full Clone-A-Willy range for every version and refill, or the naughty collection for other playful ideas. For milestone occasions, our anniversary gift guide covers alternatives worth pairing it with.
Kit contents, mixing ratios and set times vary by version and change over time — always follow the instruction sheet supplied with your own kit.