Rolling friction car kit, provides four cars for exploration into the force of friction, Each car provides a set of different material wheels (wood, fabric, soft rubber, soft silicone), Weight (lb): 1.0, Length (in):5.8, Width (in):6.5, Height (in):3.5
Density Cube, includes one each of acrylic, oak, pine, poplar, steel, aluminum, copper, brass, nylon, and PVC cubes packaged in a wooden storage box, Includes a reference table showing density values of individual specimens, Set of 10
Pulley Bench Clamp Fitting, 50 mm Diameter Pulley, Overall Length Of Frame (Pulley Bar) 110 mm. Maximum Clamp Opening 25 mm, Metal Clamp With Plastic Pulley, With The Pulley Overhanging The Edge And In A Vertical Plane. Overall Length Of Frame (Pulley Bar) 110 mm