Simulate an Engineer, Build Real Circuits. Electric drill for upgraded screw-driving play. ABS outer shell to prevent electrical leakage risks. Easy assembly, suitable for children of different ages. Multiple combinations to enhance hands-on experience. Large electronic components, easy to identify and handle. Master learning through play and stimulate scientific interest. Rich circuit experiments to introduce children to electrical knowledge. Note: Battery Box requires 3 AA batteries, and the electric drill requires 3 AAA batteries. The electric drill can adjust the rotation direction. Do not disassemble the product, as internal wiring could be damaged, losing circuit functionality. For cleaning, gently wipe the surface with a clean cloth or handkerchief. Avoid moisture, as it may cause mold. It is recommended to store the product in a dry, cool place. Avoid direct sunlight and heated floors. High temperatures can cause uneven heating, leading to moisture loss and cracking. This product is suitable for children aged three and above. Infants and toddlers should play under adult supervision. This product contains small parts. To prevent choking, please play under adult supervision. The product dimensions are manually measured, and a deviation of +/- 1.5 cm is considered normal. Due to factors such as shooting light, ambient lighting, smartphone, displays, and resolution, slight color differences may exist in the product, which are considered normal phenomena.