November 29, 2011
Wheels with grooves for belts are pulleys.
The teacher of the class has many LEGO Dacta Yellow Simple Machine Mini sets.
The red pieces are beams. They have holes for connectors or axles.
The yellow pieces are plates. 2 plates between 2 beams is the tight spacing for 2 connectors used
make a horizontal to vertical stable build.
Make funning faces.
How are the pulleys different?
Different speeds Different directions
