The Ice Cream Server, an impressive 7.5-minute Rube Goldberg MachineRion NakayaApril 24, 2024May 2, 2024
Blue Marble 3, a two-table Kaplamino chain reaction marble runRion NakayaFebruary 28, 2019June 3, 2020
The Blue Marble, an uninterrupted catapult-filled magnet marble runRion NakayaFebruary 5, 2018May 8, 2023