Vintage 1960s Toy: Three Sets of 4 Balls

Three very rare sets of four six-sided balls, numbered like dice. Made of thick, hard plastic, in their original protective soft plastic basket in perfect condition. Vintage toy from the 1960s. Each set is a different color for easy identification. Includes two jacks, one of which is original. A beach game, among other things. Marked Arnaud, registered design. Diameter approximately 8 cm.