February 23, 2012
This entire 2nd grade class worked on various machines.
Levers
for balance.
Hockey player use gears and levers. Stamping machine uses many levers.
Gears for crimping and for winch.
Truck that can turn corners
Winch
Gears for merry go round
It took three times around before both the LEGO people looked the same
direction again.
Stamping machine Crane truck
