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🤗【BUILD UNIQUE ELECTRIC MODELS】AceLife STEM toys has a battery-powered motor that drives the model to move.It can be built indoors and outdoors, does not depend on the sun, and can be moved indoors in rainy days. This STEM kit contains 109 parts, it enables children to build 10 different type models, Three levels as to complexity, starting from entry level for younger child to advanced level for older child to challenge their manipulative skills. 🎉【UNLEASH KID'S IMAGIATION & CREATIVITY】This funny and educational building toys will keep your kids away from video games,phones and TVs.The bright color toys challenge your kids to build creative 10 unique shapes trucks/helicopters/off-roader/robots/merry-go-round and create other modes they like through their own imagination. 🌟【100% SAFE & MORE DURABLE】 The construction building blocks toys is Made of ABS and rubber material,non-Toxic and Lead/BPA/Phthalate Free. Certified to meet Toy safety standards.You can rest assured that your child is safe from harmful chemicals.Our product's all pieces are sturdy and durable, the wheel will not fall off. This STEM engineering toys kit is easy to wash, which is convenient for you to clean and storage after use.