| Gearbox Gearbox. A hefty-sized puzzle box made by Jean-Claude Constantin! Three rows with 4 gears each that are all connected and turn in sync. It has an acrylic top which acts as a place-holder that must lifted off in order to start rotating the gears, and can only be re-positioned when the gears are in the original starting position. There are 4 acrylic sliders that can be moved when the slots on- Gearbox. |
