Larsen FH20 Whale Reef Puzzle for Kids (66 Pieces) 66 PIECE JIGSAW PUZZLE - Each piece is extra thick, 2.5mm, making them durable and easy to handle for kids of all ages UNIQUE DESIGN - Each puzzle piece is cut in a unique shape to provide an extra level of self check and concentration EDUCATIONAL - puzzles promote hand-eye coordination, fine motor skills, problem solving and concentration ECO-FRIENDLY - Comes in a storage tray made out of recycled material. No box to remain environmentally friendly and provide easy storage MADE IN NORWAY - Larsen puzzles have been manufactured on the coast of Norway in the same factory since 1976