The Science Experiment Obstacle Avoidance Car Robot DIY Kit is a great way to engage children in hands-on learning. The kit allows children to build their own obstacle avoidance robot model, which not only improves their problem-solving skills but also promotes . Features -Color: Multicolor -Material: Wood and ABS -Size: 19.50X14.00X5.00cm/7.66X5.50X1.97in -Helps improve problem-solving skills by providing users with an interactive obstacle avoidance robot model. -By encouraging , this product can cultivate users' autonomy and self-reliance. -Combining entertainment with scientific knowledge, it brings users an enjoyable and educational experience. -Helps cultivate users' practical skills and flexibility through hands-on experiments and construction. -The robot automatically changes direction when it encounters an obstacle, making it a fun and interactive educational toy. Package list: 4 x set of DIY Obstacle Avoiding Robot Kit