U is a striped cyan Alphablock who wears a cyan hat or cap, eyeglasses, and bright blue shoes. Internally, U often feels like a doormat to the other Alphablocks, as bad things happen solely to him.

Learn to read and count, all while having tonnes of fun with the Blocks! The Alphablocks are 26 living letters who discover that whenever they hold hands and make a word, something magical...

Learn to read and spell easy, intermediate and hard words with the phonetic spelling technique designed especially for kids learning to read.

Find out how to make the short /u/ sound and have a ton of phonics fun with Alphablock U and the magic words up, mug and tub.

U is upside-down next to an upside-down tree, and the whole of Alphaland is blue. This episode introduces the long U sounds and the words new, grew, blew, flew, true, blue, glue, rescue, tune, …

Quiet Q needs U to make her qu! sound: qu! Quick!

Alphablocks have rounded cuboid shapes with two eyes, a two-dimensional black nose (except O), black mouths, arms with mitten-shaped hands, and legs with half-sphere feet.

Alphablock U is unlucky! Find out how to make the short /u/ sound and have a ton of phonics fun with Alphablock U and the magic words up, mug and tub.

Alphablock U is unlucky! Find out how to make the short /u/ sound and have a ton of phonics fun with Alphablock U and the magic words up, mug and tub. Alphablocks - Play along with the fun and …

Another scene of , U, and as toy blocks, seen in How Many Sleeps 'til Christmas?