Counting at the Market Numbers Ring Flash Cards from Mudpuppy features 10 extra thick, double-sided cards teaching children ages 1+ numbers 1-10 with fun and colorful images by Mochi Kids, including jars of kimchi, doughnuts, edamame, and more! The re-closable ring makes these sturdy flashcards convenient for on-the-go use, and the cards can be removed from the ring to use for sorting games or to hang as decorations in a nursery or classroom. For Ages 1 and up.