What is "pythagoraswitch"

is a 15-minute Japanese educational television program that has been aired by NHK since April 9, 2002. It encourages augmenting children's "way of thinking" under the supervision of and . A five-minute format called PythagoraSwitch Mini is also available.

During the beginning and ending of each episode, and between each corner (segment), there are . Pythagorean Devices are known in the U.S. as " Rube Goldberg machines" and in Britain as " Heath Robinson" contraptions. The main focus of the program is a puppet show, but the subject is mainly advanced by the small corners. World phenomena, principles, characteristics, and the like are introduced in an entertaining way. At the end of each segment "Pitagora Suitchi" is sung as a kind of punchline.