Coping Saw, has a sturdy steel frame. Blade tension is achieved by turning the wood handle. Easily adjustable blade fixtures and an extra narrow specially hardened blade are among the features. The blade has 5 points.
Accelerometer, To study Newton's 2nd law and other motion related experiments. The unit comprises a rectangular-shaped container, marked with a centimeter grid, supported on a stedy base. The base can also be attached to a turntable, 15x27cm