Owain and Tilly find out how to make super-cool spy tools, take one giant leap for mankind without leaving the ground, learn that warm keys are good for opening doors, and discover a surprising way to turn milk into plastic!

Owain and Tilly find out how to catch your friends in a cup, make a robotic hand that is good at grabbing sweets, explore ways to make music with objects from around your home, and get to grips with some weirdly wonderful wire!