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Whether at home
Speks are like magnetic putty
This Start set includes 23 pieces
or paper towel alternative—great for travel
quirky illustrations
Roller Coaster Engineering tgtgho25stem-sciencetoys Whether at homeBuild and experiment with dozens of roller coaster models to make learning the physics of force, motion, and energy as fun as a day at the amusement park. Conduct an action packed series of hands on physics and engineering lessons with an easy, modular building system. Piece together the sturdy frame structures and then attach the flexible track to it to build and test endless roller coaster designs. Experiment by varying the weight of the cars and
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US$ 90.00
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US$ 11.00
