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Simple Machines!

Simple Machines!


With 25 Science Projects for Kids


What do a fork and an axe have in common? How do pulleys help raise a flag? This colorful new STEM book introduces kids to the concept of mechanical advantage and inspires them to look differently at the objects they use every day. Create your own fixed and movable pulleys, design a new invention, build a mini heli- copter, build and test gears and wedges, and more.


Grades 2-6..... 90 pages

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