DIY Obstacle Avoidance Car Robot Science Experiment Technology Elementary School Student Manual Intelligence Experiment Toy Gift

Is Electric : No Recommend Age : 14+y Origin : Mainland China Science Experiment Obstacle Avoidance Car Robot Technology Elementary School Student DIY Manual Intelligence Experiment Toy Gift Material: environmentally friendly wood, plastic and metal components -Size: As shown in the figure -Condition: 100% brand new and high quality Batteries not included Features: -Scientific experiment toys, exercise children's practical ability. -DIY small toys, cultivate innovative ability. -Cultivate scientific knowledge. -Select high-quality green environmental wood, safe and environmental friendly. -High quality electronic components and accessories, stable performance, safe and reliable. Due to manual measurement, there may be an error of 0-2cm. Please understand