Set of four (4) jigsaw puzzles, wooden.

Around 1970.

Respective dimensions
30 x 30 cm / 12 x 12 inches
24 x 20 cm / 9.6 x 8 inches
18 x 18 cm / 7.2 x 7.2 inches
18 x 14 cm / 7.2 x 5.6 inches