Children see how numbers really work as they build their own Numberblocks from 11 to 20 and master the math skills of counting, adding, subtracting, multiplying, and dividing through hands-on discovery and play. Numberblocks are the friendly characters from the global hit TV math series. Children use the special-edition Numberblocks MathLink® Cubes to build their own characters 30 Numberblocks math learning activities are linked to the TV episodes Includes: 155 Numberblocks MathLink® Cubes, 52 Faceplates, 44 Stickers, 10 Numberlings, 10 Character Cards, 15 Double-sided, Reusable Activity Cards, Fourteen’s Skateboard, Fourteen’s Skateboard Helmet, Twenty’s Top Hat, 1 Write and Wipe Pen, 1 Activity Guide Ages K+ Benefits Helps teach STEM concepts like spatial recognition, counting, sorting, and measuring Helps improve fine motor skills Specs for Mathlink Cubes Dimensions of Package10.6" x 8" x 2.2"Package Weight2 lbs 5 oz