Photo 1 of STEM Inventions 6-Inch Plastic Propellers, 10 Pack - Build Rubber Band Airplanes, Helicopters, and More - Fits onto Craft Sticks and Balsa Wood

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Photo 1 of STEM Inventions 6-Inch Plastic Propellers, 10 Pack - Build Rubber Band Airplanes, Helicopters, and More - Fits onto Craft Sticks and Balsa WoodPhoto 2 of STEM Inventions 6-Inch Plastic Propellers, 10 Pack - Build Rubber Band Airplanes, Helicopters, and More - Fits onto Craft Sticks and Balsa Wood