Not only is this Box and Toilet Paper Roll Castle cardboard craft a fun rainy day project for kids but it's a budget-friendly toy that they can keep playing with after completion. If you have ever looked at a store-bought plastic castle, you know how expensive they can be. This toilet paper roll castle can be customized in several different ways to make the kids happy. They can make as many levels and paint or color the cardboard in any royal shade they want. This kids' paper craft is too fun to miss.