Freezing Point Depression, Kit Includes:2x25 g Di-Tert-Butyl-4-Methylphenol Crystals, 1x25 g p-Dichlorobenzene Crystals, 1x25 g Stearic Acid Flakes, 1x25 g Naphthalene Flakes UN1334, The experiment will be repeated with each of two unknowns
Garage Physics Ballista Kit, Explore torsion springs, forces, energy transformation, mechanical advantage, and projectile motion in this fully-functional ballista, Contains ballista and ping pong ball, Press fit assembly, Comes with a educational guide