From the manufacturer:
These paper pads are full of fun drawing activities to inspire the imagination.The A3 Drawing Activity Pad contains 25 jumbo (11.75" x 16.5") size activity sheets, bound together in a pad, full color printed pages with enticing designs. The World Traveler Edition WorldBuildA Drawing Activities Pad contains 25 A4 (8.25" x 11.75") sheets that encourage learning through an educational and inspirational adventure. Learn about 25 destinations around the world. Lots of drawing space available on each page. Features 100% FSC Certified paper from well-managed forests. Part of Micador's green eARth range. Recommended for ages 3-8.