Brain Teasers Metal and Wooden Puzzles for Kids and Adults 9 Pack, Mind, IQ, and Logic Test and Handheld Disentanglement Games, 3D Coil Cast Wire Chain and Durable Wood Educational Toys -
Three of Six wooden puzzle Brain Benders - YouTube
Brain Benders
3 Ways to Solve a Wooden Puzzle - wikiHow
Classic Games Collection - Wood Brain Benders (3 Puzzles) - Classic Games