Description 5-in-1 engineering kit: build five, fun functional models including a desert racer, motorcycle and launcher, catapult, wind mobile, and balancing dragonfly. Learn about force, motion, and energy as you assemble and experiment with your models–no batteries required! Includes a 24-page, full-color manual with clear language, simple step-by-step illustrated instructions, and scientific explanations. Entertaining, affordable, and educational purchase–great birthday gift! For ages 6 and up Make five awesome machines and learn about the physics of force, motion, and energy. Construct a rubber band-powered race car that zooms across the floor. Build a catapult and launch objects through the air. Set up a launching device that propels a motorcycle across the floor at the push of a lever. Build a balancing dragonfly 555061 and a weathervane to experiment with forces. A 28-page manual guides your 555061 building and experiments with step-by-step illustrated instructions.
