Book of Donmon Teith

A hands-on approach introduces young scientists to springs. Science theory and practical, fun projects teach the physics and the technology behind this simple m

A hands-on approach introduces young scientists to the lever. Science theory and practical, fun projects teach the physics and the technology behind this simple

"Simple Machines! introduces kids to the concept of mechanical advantage and harnesses kid-power by inviting them to build machines of their own design. This bo

"A hands-on approach introduces young scientists to the lever. Science theory and practical, fun projects teach the physics and the technology behind this simpl

A hands-on approach introduces young scientists to wheels and axles. Science theory and practical, fun projects teach the physics and the technology behind this