Gear Up/Gear Down
Pairs of students are challenged to build a slow car using a motorized-LEGO kit. Students begin with a bicycle-building activity which introduces the concepts of gearing down and gear ratios.
LEGO® Car Rally
Students are challenged to build a car from LEGO bricks that is tested on a ramp course to see how far it will travel, and on a tiltboard to demonstrate their center of gravity.