Inclined Plane Steel - Long Form, Made Of Heavy-Gauge Steel For Durability, Fits A 12 mm Rod, All Corners Are Rounded For Saftey, Use For Science Education Equipment, This Green Inclined Plane Is 48in Long & Straight As An Arrow, Heavy Steel With Rounded Corners
Kidder Gear System, There are enough materials in this classpack to make 12 kits, Requires minimal drilling, cutting and gluing, students will have an understanding of the basic principles and which gears modify the speed and direction of, and the force exerted on moving objects