Dynamic trolley (sold in pairs). 300mm long mounted on three wheels. A spring loaded rod is fitted to give impulse when released. It has a provision for stacking the trolleys on top of each other and fixing with removable pins.
- 3 elastic rings
- 3 springs
- 4 pins (for stacking)
- 2 rubber corks
- 2 needles
- 1 releasing pin
