Pay in 4 interest-free payments of $12.50 Learn more
Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
Winner of Creative Child Magazine’s 2014 Preferred Choice Award
Ages 3 to7
38 oz polyester stuffing
Includes carriage
Roller Coaster Engineer deals Winner of Creative Child Magazine’sBuild and experiment with dozens of roller coaster models to make learning the physics of force, motion, and energy as fun as a day at the amusement park. Experiment by varying the weight of the cars and varying the slope, length, and direction of the track. Get a practical introduction to many physics principles including gravitation, potential energy, kinetic energy, free fall, projectile motion, friction, centripetal force, velocity, acceleration,
US$ 29.95
US$ 107.80
US$ 99.95
US$ 14.22
US$ 139.00
