A Mouth, Arm, and Eye, Rube Goldberg-style for KuratoriumRion NakayaSeptember 19, 2011January 17, 2024
Pitagora Suitchi (Pythagora Switch) – Marble chain reactionRion NakayaJanuary 23, 2012January 3, 2017
The LEGO Great Ball Contraption: 17 different modules of incredibleRion NakayaSeptember 20, 2012May 16, 2023
A homemade Pitagora Suitchi (Pythagora Switch) device collectionRion NakayaAugust 8, 2014December 28, 2023