Thames & Kosmos Bouncing Planets Science Kit

$9.99
  • Make five colorful, rubbery balls resembling planets in minutes!
  • Includes a spherical mold and five colors of polymer granules (red, orange, yellow, blue, purple) to safely cast your planet models.
  • Explore the scientific properties of polymer materials.
  • A classic, perennially appealling science activity kit at a great price.
  • Three-language packaging and manuals (English, French, Spanish)
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