30PCS Extra Large Soft White Silicone Rubber Dustless Eraser

– AA battery-powered mini motor and propeller model for science experiments and construction. – Can train children’s practical skills and let them experience the fun and feeling of doing DIY assembly. – Made of high-quality ABS material, strong and durable, non-toxic, odourless, wear-resistant, drop-resistant and has a long service life. – Good for teaching practical skills, thinking and problem solving skills, as well as hand-eye coordination. – Simple circuit connection with no welding required. – Contains tiny screws and parts. – Uses 2 AA batteries (included).