Learning Resources Alphabet Puzzle Blocks These learning blocks for toddlers combine 2 familiar play exercises in one terrific set Introduce children to the alphabet, build vocabulary by identifying object pictures, make connections between letters and words, and increase motor skills during play Children use both hands and spatial orientation to turn the blocks to match, or reach and stack the blocks high Blocks measure 21/2"L x 21/2"H Great for 18 months and older