The eight-sided pieces in Octoplay slot together to build many different models such as a person, a dog or a tower. Ages 3 and up. Learner Pack:Contents: 41 Flats, 4 Single Peg, 4 Twin Peg, 4 Twin Disc, 2 Quad Disc and 5 Struts. 21cm L x 21cm W x 15cm H. Fun Pack:Contents: 85 Flats, 14 Single Peg, 14 Twin Peg, 14 Twin Disc, 7 Quad Disc, 14 Struts, 4 Wheels-Axles and an Exploring Octoplay activity booklet. 31cm L x 31cm W x 23cm H.