Card game for learning the alphabet
Card game for spelling improvement and education
Cards for learning pronunciations
Children's learning toy
Color-assonant phonetics system
Computer training system with audible answers to spoken...
Computer-based educational learning
Computerized method of displaying a self-reading child's book
Constructional kits
Crossword system and game apparatus
Cyclic stereophonic sound pattern method and apparatus for readi
Cyclic stereophonic sound pattern method and apparatus for readi