K & S Metals - Round Brass Tube: 1/16" OD x 0.014" Wall x 36" Long Tires Wheels Inserts 1/8 On Road The solution

The solution

Thru-the-wall fins make assembly and alignment easy while giving this rocket extra strength so you can fly it over and over

The Savox SH-0264MG metal-gear

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This marble run product combines the beauty of science and machines with many small gadgets

K & S Metals - Round Brass Tube: 1/16" OD x 0.014" Wall x 36" Long Tires Wheels Inserts 1/8 On Road The solutionRound brass tubing, the bread & butter of the K&S brand. Brass is a tough and long lasting metal that stands up well to corrosion, making it a top pick for tough conditions. This versatile brass tubing finds its place in various tasks, such as plumbing, HVAC, and electrical projects. Crafted from top notch materials, their brass tubing is user friendly, making it perfect for DIY projects and professional endeavors alike. Specifications: Material Type: