At Planet Junior, we know that creating a baby hand or foot cast is more than just a DIY activity—it’s a once-in-a-lifetime memory.
But we also understand something most brands don’t talk about openly:
👉 Things don’t always go perfectly the first time.
And that’s okay.
Instead of only showing perfect results, we believe in helping you understand what can go wrong—and exactly how to fix it—so you can get the best possible outcome.
💭 Before You Start: A Quick Reality Check
Casting kits are simple—but they require:
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Timing
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Preparation
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A little patience
If something goes wrong, it’s usually a small mistake—not a failed attempt.
Let’s walk through the most common issues 👇
⚠️ Problem 1: The Casting Gel Sets Too Quickly
Lost detail due to movement during casting
😩 What Happens:
You’re still mixing… and suddenly the gel starts setting before you’re ready.
❗ Why It Happens:
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Warm water or hot weather
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Slow mixing
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Trying to mix by hand
✅ How to Avoid It:
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Use cool or room temperature water
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Always use an electric mixer/hand blender
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Keep everything ready before you start
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Have someone help you (one mixes, one holds baby)
🛠️ How to Fix It:
If it sets too quickly:
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Don’t panic
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Simply prepare a fresh batch and try again
👉 Pro tip: Slightly cooler water gives you more working time.
⚠️ Problem 2: Air Bubbles on the Cast
Air bubbles on skin surface
😩 What Happens:
Your final cast has small bumps or uneven texture.
❗ Why It Happens:
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Air trapped during mixing
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Incomplete mixing
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Pouring plaster too quickly
✅ How to Avoid It:
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Mix until smooth and lump-free
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Use an electric whisk for better consistency
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Pour slowly and evenly
🛠️ How to Fix It:
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Use a small tool or blade to gently smooth bubbles
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Scrape carefully (don’t pull chunks off)
⚠️ Problem 3: Missing Fingertips or Toes
Lost fingertips during casting
😭 What Happens:
Everything looks perfect… except fingertips are missing.
❗ Why It Happens:
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Air trapped in finger areas
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Plaster didn’t reach the tips
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Fingers were positioned incorrectly
✅ How to Avoid It:
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Keep fingers slightly touching or close together
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Tilt the mould slightly when pouring
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First pour a small amount and rotate to coat details
🛠️ How to Fix It:
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Keep a little extra plaster
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Rebuild missing parts manually if needed
⚠️ Problem 4: Holes or Lines on the Surface
Holes in skin surface
😩 What Happens:
You see tiny holes or lines on the skin surface.
❗ Why It Happens:
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Air bubbles in plaster
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Poor mixing
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Plaster separating during setting
✅ How to Avoid It:
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Mix plaster thoroughly (no lumps)
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Tap the container gently while pouring
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Keep tapping during the initial setting stage
🛠️ How to Fix It:
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Use leftover plaster mixture
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Fill small holes carefully and smooth
👉 Tapping helps release trapped air and improves finish.
⚠️ Problem 5: Black Dots or Marks Appearing Later
😟 What Happens:
Small dark spots appear on your cast after a few days.
❗ Why It Happens:
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Moisture trapped inside
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Improper drying
✅ How to Avoid It:
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Let your cast dry in a well-ventilated area
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Place on a rack so air flows from all sides
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Rotate occasionally
🛠️ How to Fix It:
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Dab lightly with diluted bleach using cotton
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Let it dry again properly for a few days
⚠️ Problem 6: The Cast Looks Rough or Uneven
😩 What Happens:
The base or surface doesn’t look clean or polished.
❗ Why It Happens:
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Uneven pouring
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No finishing step
✅ How to Fix It:
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Use sandpaper to smooth the base
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Trim rough edges carefully
💡 Pro Tips for Better Results (From Experience)
These small things make a BIG difference:
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Always do a practice run before starting
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Keep baby calm (sleepy time works best)
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Work quickly but calmly
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Don’t rush the plaster pouring stage
😌 If It Doesn’t Go Perfectly… That’s Normal
Let’s be honest:
Even professionals don’t get perfect results every time.
What matters is:
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Learning from each attempt
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Enjoying the process
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Capturing the moment
💝 We’re Here to Help
At Planet Junior, we’re not just here to sell a product—we’re here to help you create something meaningful.
If something doesn’t go as planned:
👉 Try again
👉 Learn from it
👉 And most importantly—don’t give up
Because when it works…
It becomes one of the most beautiful memories you’ll ever hold in your hands.
✨ Ready to Try Again (The Right Way)?
Explore Planet Junior’s Baby Casting Kit and create a memory that lasts forever ❤️
