$20.00 Mattel Matchbox Rocky The Robot Truck is an interactive dump truck with personality. With over 80 phrases, your child will never run out of things to talk about with Rocky. Rocky The Robot Truck also functions as a freewheeling dump truck who knows when he has a load in his dump bed and he's always happy to deliver. This smart truck even dances and talks when prompted! This interactive play pattern encourages cooperative play and friendship-building skills.