Roller Coaster Engineer deals The complete game set comes

The complete game set comes with (6) NERF foam bouncy balls and (1) scoring target so you have everything you need to play out of the box

and promotes sensory development

The wheels spin and the spoiler jumps as it rolls

Master motor skills as you grip

Play and Learn: This puzzle helps teach matching and listening skills as well as manual dexterity

Roller Coaster Engineer deals The complete game set comesBuild 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,