The Tamiya 70251 Rubber Band Powered Trike is a user-friendly kit that combines model building with practical science lessons. It is geared toward hobbyists and educators who want a compact project for demonstrating motion and energy.
With overall measurements of 193mm long, 72mm wide and 94mm tall, this trike is large enough for clear demonstrations. A rubber band drive uses a push rod to change tension, letting builders compare how different tensions influence movement.
The kit offers two gear options to alter behaviour: a 9:1 power gear for quicker bursts and a 27:1 stamina gear for greater distance. These settings let users experiment with tradeoffs between speed and endurance.
Construction uses both snap-fit parts and screws, and basic tools are required to complete the build. The kit includes five No.14 rubber bands and also accepts No.16 bands for varied testing scenarios.
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