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.
ENGINO TOY SYSTEM
Features:*This Product does not ship from our California warehouse. It is not available as a rush order(ie UPS overnight or 2 day)