CA940156A
(en )
1974-01-15
Exercising and therapeutic device
CA993655A
(en )
1976-07-27
Instructional and amusement device
CA961263A
(en )
1975-01-21
Teaching and learning game
CA935991A
(en )
1973-10-30
Question and answer educational game with an answer control device
ZA712085B
(en )
1971-12-29
Question and answer educational game with an answer control device
CA909812A
(en )
1972-09-12
Punching exerciser and amusement device
AU464939B2
(en )
1972-09-28
Question and answer educational game with an answer control device
AU2697671A
(en )
1972-09-28
Question and answer educational game with an answer control device
CA976202A
(en )
1975-10-14
Ball projecting and catching device
CA842479A
(en )
1970-05-26
Educational and instructional device
CA924900A
(en )
1973-04-24
Amusement and teaching device
CA934153A
(en )
1973-09-25
Book shaped educational amusement device
CA620896A
(en )
1961-05-23
Amusement and exercise device
CA712039A
(en )
1965-06-22
Card game for amusement and educational purposes
AU438077B2
(en )
1972-12-14
Teaching and learning game
CA851053A
(en )
1970-09-08
Exercising and amusement device
CA849350A
(en )
1970-08-18
Educational device and method
AU2997171A
(en )
1972-12-14
Teaching and learning game
AU432754B2
(en )
1973-02-14
Game and physical exercise device
GB1368961A
(en )
1974-10-02
Games and pastimes
CA859595A
(en )
1970-12-29
Amusement and physical fitness device
CA632632A
(en )
1961-12-12
Educational and amusement device
IL37179A0
(en )
1971-08-25
Control device for teaching and testing-by slides
CA32638S
(en )
1970-06-29
Toy and therapeutic device
CA889395A
(en )
1971-12-28
Teaching device with invisible answer indicator