Solar Car Model Kits To Build Science Experiment Kit Robotic Stem ProjectnThe product is shipped based on the color or size of the main image of the product page.nAn academic education learning and engineering toolkit toy. Good choice for children over 6 years old who like crafts and science. The fun and fun perfect educational gift for school-age children will never go out of style.It aims to improve childrenins practical ability promote their ability to solve problems inspire children to love science and build childrenins self-confidence. You will encounter all kinds of surprises.Including detailed guides and instructions even beginners can play. If you encounter any technical problems please contact our technical support and we will solve them as soon as possible.After safety testing all wood blocks are organically made of solid wood without chemical treatment. Non-toxic and non-stimulating creating a safe amusement environment.n