FIELD: development of logic thinking. SUBSTANCE: in hollow clear housing game element and its catcher are mounted. The latter is manufactured in the form of the tube attached to inner wall of housing. Housing is fabricated in the form of flexible shell in which space gas is pumped. EFFECT: improved entertainment efficiency. 2 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| PUZZLE | 1992 |
|
RU2009672C1 |
| PUZZLE | 1992 |
|
RU2009675C1 |
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RU2009673C1 |
