Ring And Ball, Mounted On Separate Handle Ball, Dia. 22mm, Consists Of A Brass Ball And A Brass Ring, Each Individually Mounted On Brass Rods With Wooden Handles.
Advanced Ripple Tank with Projection Mirror, 21.1lbs, 24.4x15.4x9.4in, Includes: (1) Vibration Generator, (1) Wave monitor unit, (1) Projection screen, (1) Wave dippers, (1) Lever arm and support, (1) Ripple tank, (1) Projection mirror, (1) Set of footers with adjustment screws
Small Motor with Leads and Mount, Adapter Pin, AA Single Battery Holder, 1.5-3V Mount, Motor Shaft Diameter: 2.3mm, turns at the perfect speed for most projects. Use these for motor powered, cars, boats, scribble bots
Small Motor with Leads and Mount, Adapter Pin, AA Single Battery Holder, 1.5-3V Mount, single, Motor Shaft Diameter: 2.3mm, turns at the perfect speed for most projects. Use these for motor powered, cars, boats
Spoke Pulley, ideal for use with photogates sensors. 65 mm diameter with spokes. Pulley, mounted on free running ball bearings with minimum friction. Mounted on a removeable rod of 150 x 10mm diameter