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.
Stay up to date with the latest STEM news, trends, product reviews, and educational insights on our STEMfinity News & Blogs section.
STEMfinity has scoured the web to bring you the best free STEM facts, so you can spend more time teaching and less time researching!
The STEMfinity STEM Choice Awards celebrate excellence in STEM products across various categories, highlighting the best tools and resources to inspire learning.
Sign up for our newsletter to receive exclusive deals, resources, and updates.
