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243_MasterPieces_02a.QXD 4/18/03 6:56 PM Page 58

58 Masterpiece 2 • The Learning Brick Sorter

Arm Step 1 Slide the fourth #2 axle into the third
hole (from the right) of the gray
liftarm, and use it to connect the
TECHNIC triangle.

Attach the small pneumatic piston
to the end of the liftarm in Arm
Step 0, securing it with two 1x3
liftarms and three #2 axles.

Arm Step 2