3D Flash Cards for Learning Numbers and Shapes 3D Think & Blink Educational toy for ages 3-6 3D NUMBERS & shapes FLASH CARDS Cards where three-dimensional numbers and pictures of those numbers appear depending on the angle Purchased in the US. I think it was around $15. Perfect for young children's first English lessons. Used only a few times, so in good condition. Rare as it cannot be purchased in Japan. The storage case has some creases. Thank you for your understanding. (*´︶`*)