Learn to Grow and Shrink Clay with Stop Motion
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Make clay characters and animate them growing and shrinking with stop-motion photography, learning frame-by-frame techniques, simple editing, and timing at home.

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Step-by-step guide to Learn to Grow and Shrink Clay with Stop Motion

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Clay Class: Intro To Claymation

What you need
A bright lamp or steady light, adult supervision required, colored paper for backdrop, modeling clay, small flat board or shoebox lid, sticky tack or masking tape, toothpicks or clay sculpting tool

Step 1

Place the flat board or shoebox lid on a clear table to make your stop-motion stage.

Step 2

Tape the colored paper to the back edge of the board to create a simple backdrop.

Step 3

Roll and shape a small clay character using simple parts like a body and a head.

Step 4

Roll a pile of tiny extra clay pieces to use for making your character grow.

Step 5

Press a little sticky tack under your clay character to hold it steady on the stage.

Step 6

Put your device on a steady surface or tripod facing the stage so it won’t move.

Step 7

Open a stop-motion app on your device so you can capture single frames.

Step 8

Frame the scene on the screen so your character is centered in the shot.

Step 9

Turn on the lamp and point it at the stage so the light stays even for every photo.

Step 10

Capture the first frame in the app to record the starting size of your character.

Step 11

Gently add one tiny clay piece to the character to make it a little bigger.

Step 12

Capture the next frame in the app after you make that tiny change.

Step 13

Repeat adding one tiny clay piece and capturing a frame until the character is as big as you want then repeat removing one tiny piece and capturing a frame to make it shrink back.

Step 14

Export your finished stop-motion animation as a video from the app.

Step 15

Share your finished creation on DIY.org

Final steps

You're almost there! Complete all the steps, bring your creation to life, post it, and conquer the challenge!

Complete & Share
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Help!?

What can we use if we don't have sticky tack, a tripod, or a lamp?

Use a small piece of double-sided tape or a rolled bit of clay under your clay character instead of sticky tack, prop your device against a heavy book or the edge of the table in place of a tripod, and use a desk lamp or a bright flashlight pointed at the stage for even lighting.

My character keeps moving or the frames look jumpy — how can I fix that?

Make sure the device is on a steady surface or tripod, tape the flat board or shoebox lid to the table so the stage doesn't shift, and press sticky tack under your clay character before capturing each frame to keep it steady.

How can I adapt the activity for younger kids or older kids?

For younger children, roll larger clay parts and add or remove bigger pieces with fewer captured frames, while older kids can roll many tiny extra clay pieces and capture finer single-frame changes in the stop-motion app for smoother growth and shrink effects.

How can we make the stop-motion more creative or personal before exporting and sharing?

Tape extra colored paper cutouts to the back edge for a customized backdrop, add small props on the flat board, experiment with lamp angle for mood, then export the finished stop-motion animation as a video and add music before you share on DIY.org.

Watch videos on how to Learn to Grow and Shrink Clay with Stop Motion

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Easy Stop Motion Animation: Step by Step for Beginners

4 Videos

Facts about stop-motion animation and clay modeling

⏱ To make one minute of animation at 12 fps you need 720 photos — tiny movements between frames make motion look smooth.

🎨 Many stop-motion clay characters use a wire armature (a simple skeleton) so they can hold poses while they grow, shrink, or move.

🎥 Most professional stop-motion films run at 24 frames per second, but animators often shoot "on twos" (12 unique poses per second) to save time.

🏆 Nick Park, the creator of Wallace & Gromit, won Academy Awards for his clay-animated short films and helped popularize claymation worldwide.

🧱 Plasticine and similar oil-based clays don't dry out, so you can reshape characters again and again during a shoot.

How do I make clay characters grow and shrink with stop-motion?

Plan a short story showing a clay character growing and shrinking. Sculpt simple characters and build a stable set on a flat surface. Mount your camera or smartphone on a tripod and lock exposure/white balance. Animate by making tiny changes between shots: to grow, replace the figure with slightly larger versions or gently stretch clay; to shrink, swap to smaller versions. Shoot steadily (8–12 frames per second), use a stop-motion app with onion-skinning, then edit timing and add sound.

What materials do I need to grow and shrink clay with stop-motion?

You'll need modeling clay or plasticine (non-drying) or soft polymer clay for bake-and-firm characters, plus extra colors. A smartphone or camera with a tripod, a stop-motion app (e.g., Stop Motion Studio), steady table, simple backdrop, desk lamps for consistent lighting, sculpting tools/toothpicks/wire for armatures, craft mat, and wipes. Optional: a ruler for consistent scale, props, and basic editing software on a computer for sound and titles.

What ages is this grow-and-shrink clay stop-motion activity suitable for?

Best for ages 6 and up with supervision. Ages 3–5 can try very simple shaping and one-frame swaps with constant adult help; fine motor demands and patience may limit younger kids. Ages 6–9 enjoy hands-on sculpting and simple frame-by-frame shots. Ages 10–15 can handle detailed timing, onion-skinning, and editing. Teens can use armatures and advanced effects. Adjust complexity, camera control, and safety (small parts, baking) to match each child's abilities.

What are the benefits and safety tips for stop-motion grow-and-shrink clay animation?

Benefits include creativity, storytelling, sequencing, fine-motor skills, patience, and basic film literacy. It teaches planning and problem solving as kids design growth/shrink effects. Safety notes: use non-toxic clay, keep tiny pieces away from toddlers, supervise if baking polymer clay (adults only). Variations: use stop-motion apps to digitally scale characters, try forced perspective, or combine cutouts and clay for mixed-media animation.
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Learn to Grow and Shrink Clay with Stop Motion