The friendly Numberblocks from the hit TV series bring math learning to life. Children see how numbers really work as they build their own Numberblocks from 11 to 20 and master counting, adding, subtracting, multiplying, and dividing. Each numbered activity ties directly into the TV episodes. Includes 155 MathLink Cubes, 52 faceplates, 44 stickers, 10 character cards, 15 reusable double-sided activity cards, an activity card stand, and an activity guide. Ages 3+.