VINTAGE SOVIET RUSSIAN USSR ELECTRIC MULTIPLICATION TABLE BRAIN TRAINER GAME.

Made in USSR. Dated 1975. Comes with 220 Volts ac/dc adapter. Can be made to work from battery...Tested working unique item. Survived in time...

 Task wire - blue color, red wire is for answer.

If everything goes right, the prize is lighting lamp on the top left corner.

Never seen before item. Good for children  (probably old people too) education, vintage toys or calculators collector.