Beleduc’s Life Courses Puzzle lays out the development stages of the frog using multilayer puzzles. Kids will enjoy understanding the frog’s biology using the additional challenge of the puzzles. This 5-in-1 set is great in classrooms and play areas, too! A great STEAM toy that encourages a love of science and the natural world Puzzle size: 20.5 cm L x 20.5 cm W x 2 cm H Material: plywood Not suitable for children under 3 years due to small parts Age recommendation: 4+ Number of parts: 28 Number of players: 1+