Slip and slide on an icy coding adventure with the Yellow Door Pre-Coding Penguin Activity Cards, Set of 16! Specially designed to synch with Pre-Coding Penguin Stones (sold separately), these durable and easy-to-clean plastic cards are your little one's ticket to mastering early coding concepts. Through engaging activities, your child will refine crucial skills such as matching, sequencing, and logical thinking, all while having a blast with their penguin pals in frosty settings!