Serdios STEM Toys,Mechanical Painting Science Kit,Exploration Kit for Circuit and Gear Principles,Electronics Building Kit for Kids Ages 8+,Educational Scientific Tools for 8+ Years Old Kids Gift.

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【Fun and educational exploration kit】This DIY educational science kit is designed for children aged 8-12 years old. It provides simple knowledge of circuit physics, helps understand basic physical theory concepts of circuit diagrams and gear transmission, lets children do it themselves, stimulates their imagination and creativity, and experiences the charm of science first-hand.
【STEM circuit and mechinery science kit】The STEM toys provides 36 precision parts and a detailed product manual that allows children to combine circuits and gears with their hands to create amazing mechanical structures and circuit combinations.(AA batteries not included)