Multiplication Monsters Of The Deep is an educational game, one in a series of four, that is designed to help children learn multiplication. from the publisher: Try this fast-paced card game alternative to flashcards! Players practice multiplication facts for numbers 2 through 9. Colorful illustrations add a self-checking aspect. Great for classroom activity centers or home use. Game includes 128 laminated playing cards, interesting animal facts and multilingual instruction book. For 2–4 players, grades 2–5.