Page 270 - Lego Mindstorms

Robot 9 • The SpinnerBot

Lower Arm Drive Step 11 Attach the yellow, sloped
brick by sliding it over the
fingers of the black hinge
plate and securing it with
the yellow 1x3 plate. This
sloped brick serves as a
rest for the lifting arm.

Lower Arm Drive Step 12

Flip over the Lower Arm Drive sub-
assembly to attach plates to the underside.

Set this sub-assembly off to the side. You
will use this piece in Final Step 15.

255