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
Robotics Smart Machines, Dimensions: 19.1 x 13 x 3.8in, Robotics is a vast, thrilling, and sometimes overwhelming interdisciplinary field involving physics, engineering, and computer science, This kit gives kids a simple, fun, and customizable introduction to robotics