Hall'S Car, Single, Can Be Used With An Inclined Plane, Weights, And Pulleys To Study Relationship Between Energy And Work. It Features A Molded One-Piece Body With A Central Well To Hold Additional Masses, Molded Wheels Have Sleeve Bearings
Plastic Pulley, Single, One (1) High Quality, Single Wheeled Plastic Pulley, On A Steel Frame, With Hooks At Each End And One Plastic Pulley With A Diameter Of 50 mm, Inner Gap Of Pulley Measures 4 mm, Overall Length Is 8.9 Cm. Capable Of Holding Over 30 Lbs Of Weight.
Plastic Pulley, Low Friction, Single 50mm Dia, One (1) High Quality, Single Wheeled Plastic Pulley, On An Open Sided Steel Frame, With Hooks At Each End And One Low Friction, Ball Bearing Plastic Pulley With A Diameter Of 50 mm
Pulley Large Demonstration Single, Designed for Classroom Demonstrations, Light-weight, low-friction, and deformation-resistant plastic ensures accurate results, Open to make it easier for users to run pulley cords through them
Pulley, Single Sheave, Pulleys wheels are made of plastic and mounted securely in an aluminum housing with a hook on both the top and bottom for suspension, Size: 50mm
PineCAR Racer Basic Car Kit (scouting car), includes wood block, wheels, hubcaps, two lead-free one-piece axles and four lead-free nail-type axles. Wheels and axles should be the same on all cars in a race. Block dimensions - 1 3/4in w x 7in l (4.44 cm x 17.7 cm)