![Deinosoriaid yn fy Ysgol](http://drefwen.com/cdn/shop/products/getimg.php_-3_f73b545c-69f3-4be4-97a2-c5fa41692cac_{width}x.jpg?v=1606394755)
For one little boy, a regular day at school is turned upside down. A band of dinosaurs are there to wreak havoc in the classroom, but the grown-ups can't see them! Can he convince the dinosaurs to behave? A Welsh adaptation of Dinosaurs in my School by Gwynne Williams.