Design and build a robotic arm that can lift a cup off a table. Design and build a robotic arm that can lift a cup off a table. Design Squad is available to stream on pbs.org and the free PBS App, ...

It's a fight to the finish! It's a fight to the finish! Blast armed balloons across the room and compete to be the last balloon standing. On your mark, get set, joust! It's a fight to the finish!