DIY Recycled Crayons

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In this activity, learners will experience the different states of matter using crayons as the medium. Explore matter changing between phases while recycling old crayons. This activity uses low cost materials and can be done at home. Activity includes step-by-step instructions with pictures and a how-to video. Using recycled materials can reduce costs. This activity requires adult supervision due to oven use.

Quick Guide

Preparation Time:
30 to 45 minutes

Learning Time:
5 to 10 minutes

Estimated Materials Cost:
$1 - $5 per group of students

Age Range:
Ages 4 - 8

Resource Type:


Materials List (per group of students)

  • Old crayons
  • Baking/candy molds (silicone or metal) or muffin tin
  • Foil cupcake liners (optional)
  • Foil-lined baking sheet (optional)
  • Wire rack or trivet
  • Oven
  • Paper or coloring book


  • Physical Sciences
    • Chemistry

Informal Categories

  • Arts and Crafts


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Access Rights:

  • Free access



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