By the end of this course your child will be able to identify all three classes of levers and different types of pulley systems and test them to determine how they operate. By comparing and contrasting how different levers and pulley systems function your children will more easily identify appropriate places where levers and pulley systems should be used. Real-life photos and key facts enhance the building instructions for the eight different real-world models. Models include: scissors, wheelbarrow, sailboat, block & tackle and more. 161 pieces for grades 3 - 5.

Build 8 different replicas of real-world models, one at a time. Set includes building instructions with real-life photos and key facts for each model. Models demonstration 1st, 2nd and 3rd class levers along with fixed, movable and combination pulley systems. 178 K'NEX Rods and Connectors support 2-3 students working as a team. Comes packaged in a strong plastic storage case with dividers and lockable lid.