Fisher-Price Lil' Zoomers Fun Sounds Construction Lil Zoomers Fun Sounds Construction brings the thrill of ramp and vehicle play down to baby Includes two Lil' Zoomers vehicles: dump truck and bulldozer and two boulders Sound effects are activated by spinning the nice, big roller ball or when a boulder or vehicle goes down the ramp Encourages baby to try different actions to make things happen, learning about problem-solving and cause and effect Fosters gross motor skills when baby pushes the truck along