This item is available for giftwrap!
- Made of particle board and wooden components.
- Measures 6 5/8" by 4 3/8" base and 12 1/2" tall
Simple Machines- Block & Tackle Demonstration
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 activities. Includes an instruction manual to facilitate student and teacher use of the apparatus.