Kodomo Challenge Step, This is the scope for the creature observation game. The card number 16 is missing from the set of 1 to 25. ☆ Creature Sound Quiz: Listen to the sound and choose the correct card to answer. ☆ Creature Grouping Quiz: Gather the creatures in the question to answer. I have confirmed that it works without any problems. I will send it with batteries included. There are no noticeable scratches or stains, but please understand that this is a used item that has been used by a child before purchasing. I will ship it in simple packaging.