Thames & Kosmos Incredible Inflatable Aero Dancer

Available from The Red Balloon Company when we last checked. Sold from the shop’s own store; the price there is the one that counts.

Build a zany inflatable tube dancer that uses the physics of flowing air to perform its eye-catching moves. Like the air dancers and tube men you may have seen around your town, this motorized device uses a blower motor and a fabric tube to slink, shimmy, and shake around. Assemble the model to learn about its inner mechanisms, including fan and electric circuit, complete with battery, motor, and switch. Conduct four fun additional experiments that demonstrate principles in air pressure, air flo