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)
Lead Free Solder with Easy Pen Dispenser, Single, Cheap solder ruins irons, destroys projects and makes smoke billow from our ears, affordable, flows melts beautifully, best dispenser, saves a lot of solder, No longer break off sections