The group are playing in the sand by the river. Skoop decides to drop his boat onto the water. But it's not a real boat; it's a sand mould! It floats away. Leo thinks they should build a speedboat. 'Not just a speedboat, but a remote control one,' Lifty says. The speedboat is built; it's time to play. Lifty's so good at driving it. Now it's the robots' turn.