This set is an excellent resource set for LEGO^® projects small and large. It’s perfect for teachers who want to create their own open-ended design challenges and serves as an excellent supplement to both the ROBO Technology and Team Challenge Sets. Watch your students design and invent solutions to solve problems using this set’s cam wheels, axle extenders, crane hook, wheels, rack and pinion gears, bricks, plates, and gear blocks. The Technology Resource Set contains over 1,100 elements and is compatible with all other LEGO robotics materials.