Features: Light-up quad skates for kids Sporty design on the outside of the skate Two LED light-up wheels and two regular 54mm cast urethane wheels Light-up wheels are lit with power generated by movement, eliminating the need for batteries Deluxe sport profile design with power strap and lace closure Lightweight and agile Torsion Beam chassis Wheels are suitable for indoor and outdoor use Skates fit true to U.S. children's shoe sizes