STEM Kit Build Advanced Gadgets Build five gadgets and learn about gears and transmissions. ● a model helicopter with a rotor that spins using a rubber band motor. ● a spinning top that you spin to launch a rapidly spinning tornado. ● a centripetal force machine that shoots its arms outward at high speed. ● a hand mixer that demonstrates how a gear system works. ● an ingenious airplane launcher that launches a model car at high speed across the room using a zip line. A step-by-step illustrated instruction manual guides you through model building and experiments. The durable plastic parts can be reconfigured in a variety of ways; build models from the manual or create your own models, learning about mechanical physics with simple experiments. The kit contains 114 pieces, 5 models, instruction manual. Recommended age: +6 years. Made of plastic, rubber, polystyrene. According to EN71&ASTM regulations. WARNING: Not suitable for children under 3 years old, contains small parts. Adult supervision is recommended during play. Read the instructions before use, follow them and keep them for reference. Made in Taiwan by Genius Toy Manual STEM Kit Build Advanced Gadgets, Gigo Toys - download the file here