The Wishbone 3 in 1 Bike starts at 12 months with three wheels, then it converts to two-wheels and finally you can raise the seat and flip the frame to transform it into one of the largest balance bikes on the market. the Wishbone 3 in 1 Bike suits kids from 12 months up to 5 years. First it helps the babies to walk and then ride, later with the two wheels helps your kid to learn balance. The Wishbone 3 In 1 Bike comes with everything you need from baby walker, to toddler trike to balance bike. It is a lightweight ans a super stable bike.