Introduce your child to the wonders of science and technology with this engaging DIY Hand-Cranked Generator Kit. Perfect for young students and children, this kit encourages creativity and learning through hands-on experience. Easy-to-assemble components a fun and educational building process. Develops skills in science, technology, engineering, and mathematics (STEM). Ideal for school science projects, classroom activities, or at-home learning. Note: This is a DIY kit; assembly required by yourself. Color: Wood Color Material: Wood Package Contents: 1 * DIY water pump Model kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.