About This

• This wooden machine has a sturdy wooden construction ideal for classroom use
• This apparatus can model how the use of several pulleys increases one's mechanical advantage
• Students can use this both qualitatively and quantitatively and its design lends itself easily to inquiry based activites
• Includes an instruction manual to fascilitate student and teacher use of the apparatus
• Made of particle board and wooden componets. 6 1/2" by 3 1/2" base and 16 1/4" tall.