Kindergarten Learn-and-Play Math Stamper Games A fun way to practice number and math skills as each exercise transforms into dozens of enjoyable games. Kids will practice numbers, counting, adding, subtracting and more! Filled with 64 pages of full-color math activities, and includes a washable, self-inking multicolored stampers and 36 write-on wipe-off flashcards for a fun interactive math game. Paperback, 64 pages. Recommended for ages 5 to 6 years old.