Encourage your child's creativity and problem-solving skills with the DIY Tracked Vehicle Model Science Experiment Kit. By assembling the vehicle themselves, children can develop their logical thinking and improve their fine motor skills. The materials used in this kit ensure that the vehicle is sturdy and , providing hours of entertainment for your child. Features -Color:Sky-blue -Material:ABS -Size:19.50X12.50X7.50cm/7.66X4.91X2.95in -Note: not included battery - Explores scientific concepts: encourages individuals to explore and understand scientific principles through practical application. - With this tracked car assemble model, students are able to pass this item around and try it themselves. - A nice gift for your friends who do experiment, they will like it. Also, will be a great addition to your laboratory supplies. - Smooth surface, easy to install. The tracked car toy is not easy to damage or break. - This DIY model toy can enrich child’s knowledge, cultivate child's curiosity and exploration of science. Package list: 4 4 x screwdriver 4 x instruction book