Hybrid Cut-Away Trainer Electrical Operation^ Hybrid Cut-Away Trainer, Prius, Electrical Operation, Automatically selected power source when starting the motor, driving in normal conditions, and accelerating, Size: 155cm x 160cm x 165cm
Planetary Gear Demonstrator^ Planetary Gear Demonstrator, Size: 24cm x 14cm x 14cm, for explaining the principle of a planetary gear. By setting the internal sun and pinion gears into motion, Class Pack of 10