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230_RIS_04.qxd 10/9/02 5:56 PM Page 147
Robot 4 • MINDSTORMS F1 Racer
Bumper Step 12
Attach four half-length
pins to the liftarms.
Bricks & Chips…
Building Tip
This is a common way of setting bricks on top
Bumper Step 13
of horizontal lift arms or other parts with holes.
It connects parts at perpendicular angles so it is
good for bracing in certain situations, too.
Seat the 1x2 bricks on top of the
half-length pins. Don’t forget to insert
the half-length pins into the 1x2 bricks.
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