Robot Engineer, With durable storage case and illustrated storybook, Dimensions: 14.7x6.3x9.4in, The robots have moving parts, wheels, and gears, simple machines and gear trains, colorful plastic building pieces make it easy for small hands to put the models together
Pulley - Force Table, Low Friction, Heavy Duty Metal Clamp Attaches Securely To Table Tops From 10 To 24 mm Thick And Pulley Runs Smoothly On Ball Bearing.
Independence of Motion, enables the Projectile Launcher to perform the classic experiment where one ball is dropped as another is projected horizontally. The balls strike the floor simultaneously. A built-in level makes leveling th
Pulley, Triple 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