Projectile Stop, has one job-to keep the projectiles from the Vernier Projectile Launcher from rolling out of sight, it is placed in the launch line, beyond the landing site, and the projectile will be caught
KidWind Wind Turbine Generator with Wire,Voltage output: 0-10 V, Amperage output: 0-0.3 A, Diameter: 1.25 in, Wire length: 4 ft, Shaft diameter: 2 mm, Recommended for College, High School, and Middle School Science
Specific Gravity Cylinders With Hooks, Aluminum, copper, stainless steel, tin, and zinc, Each 0.5inch in diameter, for specific heat determinations, Specific metal has been stampled on one end, Hooks can be used to easily measure mass using a spring scale
MDF Wheel, 6mm thick fibre board, 54mm and come with drilled centre holes for 4mm dowel, There are also available in 54mm and 74mm or you can order a mix bag