Magic Aquarium - Sharks from Deluxe base. Grow your own shark in this toy fish tank kit for kids. Just add water and see your 2 tiny pet sharks magically growing more than 8x their size up until theyre 2-4 days old! After theyre fully grown they will need their water changed every few days to keep it clear. , , A great way for your child to learn how to handle responsibility! With 3 others, theres a Magic Aquarium that suits everyone! The collection includes Reef Fish, Penguins, Sea Turtles and Sharks. Buy with confidence, Deluxe base has specialized in designing fun and educational toys and gifts for kids in the EU and US for my than 25 years!