The Mideer Secret jigsaw puzzle range is a 2 in 1 experience for beginner puzzlers. Each puzzle set comes with a discovery viewer, so once the jigsaw puzzle has been completed, children can use the viewer to discover hidden elements within the puzzle, only visible while using the viewer. With 35 large jigsaw puzzle pieces made with a 3-layer extra-thick cardboard, a fine linen-structured glare-free image layer and a firm and smooth backing, giving a tactile feel for little fingers. Each puzzle c