CAT NO: DIDACTICNLE-Export-107011
Wooden Dynamic Trolley.
Wooden Dynamic Trolley Science Labs
A pair of identical wooden trolleys (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 with
removable pins. Supplied complete with
3 elastic rings
3 springs
8 pins (for stacking)
2 rubber corks 2 needles
1 releasing pin.