Starter chemistry set. Has (25) experiments, all of them interesting, simple and safe. Includes fun with crystals, color, acids and bases, gases and perfume. Comes with gypsum powder, measuring cups, test tubes, Petri dish, spoon vials, filter paper, pH strips, funnel, pipettes, safety glasses and a 48-page manual. You add a few common household items, including a kid ages 8+. Made in Germany by Thames & Kosmos.