These novelty chattering teeth are a must have item for the practical joker in the family! Simply wind up and release for hours of fun and practical jokes on friends and family. Each set of teeth has two large eyes which just adds to the fun. These also make great stocking and party bag fillers and are sure to keep your child entertained for hours. Suitable for ages 3+. This product measures approximately 6.5cm x 6.5cm x 6.5cm.