ep.13 "Ping-pong Rescue"
时长: / 首播:November 3, 2004
Myths tested:
How many balloons are needed to lift a 40 pound child off the ground?
Can a sunken boat be lifted to the surface with ping-pong balls?
Myths tested:
How many balloons are needed to lift a 40 pound child off the ground?
Can a sunken boat be lifted to the surface with ping-pong balls?