Learn how pulleys can be used to transfer force with reduced friction and how to increase force or speed at amazing levels. Build 5 working models including an oil drill, a stationary bike, cranes, bridges and a machine blender. A 36 page activity book is included with innovative experiments and detailed explanation of the different technological principles applied! Booklet with detailed building instructions also included.

The set includes a 31 page, colorful, highly illustrated activity book which explains the science and applications of pulleys with the following chapters:

• What will we learn?
• A little history of pulleys
• What is a pulley anyway?
• Typer of pulleys
• Application of pulleys
• Speed increase and decrease
• Big quiz time
• Comments and Solutions
• Award time

Brand:	Tinkering Supplies
Brand Part Number:	4413
Our Part Number:	h4413