Free image/jpeg, Resolution: 235x235, File size: 32Kb, Alphabet letters S T U icon set picture with tags: Alphabet, Symbol, Train, Unicorn, Block, White Background, Child, Toy Block, Education, Spelling, Letter S, Brick, Cartoon, Multi Colored, Vector, Learning, Reading, Alphabetical Order, Letter U, Baby Blocks, Interface Icons, Seal - Animal, Letter T, Icon Set, Childhood, Typescri