THE PHILADELPHIA GROUP-Amazing Science Kits: Liquid to Solid. Turn water solid in seconds! A small scoop of the special non-toxic powder is all it takes. Turn a cup of water into your hand and amaze your friends! This kit contains one packet of special powder, one measuring scoop, and an instruction sheet. Recommended for ages 8 and up. WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 years. This set contains chemicals that may be harmful if misused. Adult supervision required. Imported.