Set includes 442 KíNEX pieces plus 2 battery motors, 2 flywheel motors, and 4 transparent spring motors.

• Instructions to build 11 models. Build 4 of most model simultaneously (2 each of battery and flywheel racers) using the color-coded building instruction books (4 sets).
• Comprehensive teacherís guide with 7 inquiry-based lesson plans.
• Packed in a strong, stackable storage case with movable dividers and a snap-on lid.
• Supports 8-12 students working in teams of 2-3. Models Included
• Tank Roller
• Three Battery Powered Racers
• Short Rubber Band Racer -Direct Drive, Geared Up, and Geared Down
• Rubber Band Racer with Mass Holder ï Three Spring Powered Vehicles
• Wind Powered Vehicle -Spring Racer, Spring Racer with Mass Holder,
• Pull String Flywheel Racer and Spring Powered Trike