SIMPLE MACHINE - BLOCK AND TACKLE graduated beakers Requires 2 AA batteries (not

Requires 2 AA batteries (not included)

Smooth inner surface for easy donning and beaded cuff helps to prevent roll back

Clock face colour: White | Gold

This model represents a smaller version of a common catapult style of the time

SIMPLE MACHINE - BLOCK AND TACKLE graduated beakers Requires 2 AA batteries (notThis EISCO brand wooden machine has a sturdy wooden construction ideal for classroom use. This apparatus can model how the use of several pulleys increases one's mechanical advantage. Students can use this both qualitatively and quantitatively and its design lends itself easily to inquiry based activities. Supplied with manual. Size: 17 x 12 x 22 cm. Weight: 700 g.