Vintage wooden puzzles made in Holland

Set of three colorful inset wooden puzzles, circa early 1960's. Two sets have small red knobs for gripping the pieces. These are sturdy, well-made and well-loved puzzle sets. The set with various objects (dog, clock, duck, etc.) has the name of each object printed under the puzzle piece; it is complete with all of it's pieces (except it's missing one red knob). The round barnyard puzzle is missing one small animal piece; the cars & trucks puzzle set is missing on small car. Stamped 'made in Holland' on the backs. The two rectangular puzzles are roughly 8 x 11 inches; the round puzzle is 7 1/4 inches in diameter. All puzzle boards and pieces show some wear (see photos), and top veneer has come off in a few small sections. Sold as is. Charming set of early 1960's children's wooden puzzles, made in Holland. Hey late Boomers, do you remember these? Perfect for children over 3 years of age.