This cute plastic electromechanical robot RO 1, appears to be fairly rare, believed to be made in Silistra, Bulgaria and mostly sold in Bulgaria, although some sellers state it was made in Russia circa 1970/80's during the Soviet era. Very well made and battery operated by 2 x AA cells, walking action, with moving arms and flashing eyes. Usually missing its battery compartment cover. There is a variation with different head style which can be seen on its box if you can find one, also many colour combinations. 7" inches, 18 cms. tall.