Make five colorful, rubbery balls resembling planets in minutes. Using a spherical mold and five colors of polymer granules, cast up to five rubbery planet models. Learn why the balls form and how the elasticity of the polymer material causes them to bounce.
Details:
Makes 5 rubbery bouncy ball planets
For ages 8 and up
lié au Thames & Kosmos Bouncing Planets
Découvrez les pièces qui viennent d'atterrir et dont votre maison a besoin maintenant!