Speed, power, catapults, and collisions—physics is so exciting! In this introductory 142-piece physics kit, kids have the opportunity to learn about velocity and impact by following step-by-step illustrated instructions to build increasingly complex models. A tightrope walker, a moving elevator, and a pulley system are just three of the 20 models kids can build to explore concepts of mechanical physics and engineering. Using these models, they will then conduct 22 action-packed experiments that include racing, rolling, flying, falling, crashing, and balancing—all time-honored activities beloved by kids the world over. Put on your (metaphorical) helmets kids, this kit is one wild ride! Includes a 80-page full-color manual.