The stacking blocks has 16 cards(32 questions), put a pick-up card in front of the game table with number on the pick-up card,according to the topic,then put the building block on it. Perfectly sized for toddlers’ hands and a great choice as travel toys. Your child will love the bright colors, the different geometric shapes, and the engaging design. What’s more, the wooden puzzle has smooth edges, fitting nicely into their small hands