Eisco Labs Simple Machines, Wheel & Axle Model

• This wooden machine has a sturdy wooden construction ideal for classroom use
• This apparatus can model how a crane works as well as several other uses for a wheel an axle
• Includes an instruction manual to fascilitate student and teacher use of the apparatus
• Made of particle board and metal pegs to hold the lever arm and wheels in place. 9 1/2" by 3 3/8" base. Stands 4 1/2" high.