http://www.seussville.com/university/index.html
Seuss characters serve as guides at the interactive Seussville University. Contents: reading, letter recognition, sounds of letters, rhyming words, recognizing numerals and number words, counting, simple addition, animal categories, basic astronomy, ecology, patterns and directions, and opposites. The activities can be completed at the computer with the on-screen activities and off-line with the printable documents.