THIS COMPLETE COLLECTION of What on Earth? Posterbooks contains six laminated 10-foot timeline wallcharts, covering Big History, Nature, Shakespeare, Sports, and Science. Each wallchart makes a spectacular 10-foot long display, ideal for schools wanting to develop a more visual approach to cross-curricular learning. The Posterbook Collection also includes a free activity pack download containing multiple ideas for how teachers and parents can help children explore learning in a joined up, engaging way through timelines. What on Earth Posterbooks are specially designed to be unfolded and stuck up on a wall and are perfect for any library, bedroom, classroom, or anywhere curious people dwell. They are fully laminated to give them extra durability and are easy to mount on a wall.