Gears, sets offer 40-, 30- and 20-tooth gears with 3/16in bore to accommodate the most popular dowel size, and a 12-tooth gear with a push-fit to 2 mm motor shafts. Three inserts are provided on each sprue, allowing the 3/16in bore to reduce to 3 mm
Kit Air Racer Activity, Utilize the design and engineering process, Encourage creativity, critical thinking and problem solving, Learn about electricity, blade angle, and propeller design, Apply the scientific method, Innovate (design, build and evolve your own unique design)
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