Great for counting to 100 by ones and tens, grouping, and one-to-one correspondencenHelp students master math skills for academic successnCubes link together on all sides of each cube with geometric shape cutouts for more complex patterning activitiesnMathLink Cubes feature geometric shape cutoutsnIdeal for ages 5+nHelp young students master early math skills with these stackable cubes. Cubes link together on all sides and feature geometric shape cutouts for more complex patterning activities. Compatible with other linking cubes.