Was T. rex related to chickens? Why were dinosaurs so massive? For the answers to these questions, and many more, just look inside!Big Ideas! is a dynamic, high-energy and "fun fact and " series for children aged seven and up, illustrated throughout with humorous cartoons. Packed with surprising facts, stats, and records that kids will just love to share, it revels in all things weird, unexpected, mind-blowing, funny, and gross! This series really has the and "wow and " factor. It's like a roller-coaster ride for your brain!