Across the street from Modular Robotics in Boulder is an industrial air and gas supply store. They’ve got a sign out front with reconfigurable letters and for about three years, it said, “BaLLoon tiME kits Are iN StoCk”. I was never quite sure exactly what that meant, but everyone loves balloons! Diane Walsh, a math and robotics teacher in Connecticut, posted this video of students using GoPiGos for some balloon jousting, and I am a fan.

Homage to a 1960s toymaker
My friend Don Witte, the W in W.H.O., a construction kit toy company of the 1960s, designed several clever construction kits. In its day, his