Amusement and educational game
Audio educational game
Auditory playing device
Automatic sound-emitted self-learning toy
Battery-free electronic teaching apparatus with keypad of piezo
Children conductive intelligence autosuggestion machine
Children's educational apparatus
Cluster computer based education delivery system
Combination system and question and answer matching game
Computer assisted coaching method
Computer assisted coaching method
Computer assisted instructional and testing apparatus with switc
Computer assisted teaching machine that uses two electroresistiv
Computer assisted teaching machine that uses two sets of conduct
Computer game teaching method and system
Computer toy
Computer-based education system
Computerized educational and entertainment device
Contact-actuated light pencil
Data entry terminal and memory module therefor