Enhance your kiddo's knowledge with the World of Eric Carle: Quiz It 4-Book Set and Smart Pen by PI Kids - 6 Aug 2024. his interactive, fun learning tool combines the charm of Eric Carle's illustrations with a unique quiz experience. With over 300 questions covering key preschool concepts like letters, numbers, colors, shapes, Spanish words, and animals, kids can dive into a world of knowledge while enjoying the vibrant, spiral-bound books. Simply touch the pen to the stars to answer questions, and hear the pen light up as it reveals whether your answers are correct. Buy now! About the Author: PI kids is renowned for crafting engaging, educational books for young readers.