Join Thomas & Friends for hours of creative, mess-free fun with their Aquadoodle Mat! This new Aquadoodle mat lets you create amazing train track effects! No mess, no ink, and no stains - once the water has dried, drawings fade away, ready to start all over again! Soak the water tray and place the Thomas roller over the pad. Run Thomas over the magic mat and see the train tracks appear! any water that does run off the mat runs clear. As the drawing dries, designs fade away, ready for the mat to be used over and over. Includes aquadoodle easy grip pen.