Detailed Product Description 1.Pull out the stopper and add water.2. Frog will disappear in a few minutes,and at the same time a prince comes out.3. Change new water,the prince will grow up to 600% as its original size.4.The best promotion gift & novelty,educational toy for kids on holiday!5.Safe & non-toxic,conforms to EN 71 & ASTM F963-03.