From the publisher: The game of sudoku with fun Cranium twists Compact packaging makes it ideal for travel Fun for kids -- and adults! Play with traditional rules or wacky new ones A fun, affordable gift for family and friends Need a burst of outrageous fun? Get your hands on Grab & Go Super Sudoku! Get to know sudoku by playing with fun animal stickers on a smaller grid, then graduate to traditional play on a larger, more challenging grid. What's in the box? Super Sudoku includes 2 game booklets (with 60 sudoku animal and number challenges), fun animal clings, 2 dry-erase pens, and double-sided puzzle board.