This document describes and provides specifications for several self-balancing electric scooter models for kids and adults. It includes the W5 kids' scooter with 4.5 inch wheels, a W1 adult model with 6.5 inch wheels and a maximum speed of 6.5 mph, and a W3 adult model with 8 inch wheels and a maximum speed of 12 km/h. All models are powered by lithium-ion batteries and dual motors, can travel up to 20 km per charge, and have non-pneumatic tires.