Powered by vibration technology, these sensory toys for kids 5-7 years old never stop exploring every nook and cranny. The Flash Nano features a supercharged redesign, is now 1.5 times longer, moves twice as fast and lights up! Add tracks and obstacles to create a whole new world of HEXBOTS Nano! These robot toys are a fantastic addition to your collection of cool stuff, and great STEM Toys for girls and boys to encourage creativity and passion for building! WARNING: Coin Cell Batteries contain lithium. Batteries are Hazardous (new or used). Keep out of reach of children. Coin Cell Batteries can cause severe or fatal injuries in 2 hours or less if they are swallowed or placed inside any part of the body. If you suspect your child has swallowed or inserted a button cell battery, call the 24-hour Poisons Information Centre New Zealand at 0800 764 766 or contact your country's emergency department. Dispose of used coin cell batteries safely and promptly and store them out of children's reach. Regularly ensure the battery compartment is securely fastened before using the device, and never allow children to replace coin cell batteries on any device.