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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
The wagon with the spinning wheel makes it extra fun to watch the train passing by
Kit includes rocks
8 assorted gems
bumper car
Bouncing Planets Stacking & Sorting The wagon with the spinningMake 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. Ages 8 and up.
US$ 105.00
US$ 27.99
US$ 34.99
US$ 180.00
