Match And Measure Bones Pack of 16

Bury these dinosaur bones in sand, soil or even water, and they will instantly appeal to children's instincts to explore, investigate, collect, compare and measure. Cast from a durable unique mix, each bone increases in size by 2cm and can be used to introduce the concept of measurement, doubling and halving. Includes 16 bones - two of each size: 6, 8, 10, 12, 14, 16, 18 and 20cm.