Ein-O Science Crystal Science Review

Professor Ein-O's smart box kit is designed to help you discover precious projects to grow your own natural crystals. Perform 5 gorgeous growing experiments including Crystal Growing, Growing Larger Crystals, Salty Crystals, Crystal Tree and Crystal Rock. Explore the charming properties of crystals. Includes Ein-O's I Know Guide and essential equipment. Ages 10+ 30092 Alpi Carlisle Read more...