Silver Cross Wave Ride-On BoardOur Wave ride on board allows for the Wave stroller to ride up to three littles, as older children can hop on the board and enjoy the stroll. Key Features: Two swivel wheels have puncture free tires and independent suspension for a smooth ride Textured surface for maximum grip Convenient strap is included, which attaches the stroller board to the basket so it can be lifted and neatly stored when not in use Suitable from approximately two years of age