Encourage imagination, language and reasoning, matching, sorting, patterning and much more with the Dinosaur Bones Match and Measure Set. Dinosaurs are a great source of fascination for many children, so be prepared for these bones to cause a lot of excitement! The bones, cast from a durable, unique stone and resin mixture can be used to easily introduce the concepts of measuring, doubling, and halving, while encouraging children to discuss their discoveries and provide the perfect opportunity to develop and practice the descriptive language that comes along with measuring! Use these bones alongside the Match and Measure Activity Cards, to offer more playful hands-on measurement activities and more learning fun! Bones measure 2.5" - 8". Ages: 3+.