If you're ready for a light brain teaser to challenge your IQ, give this wooden block and metal 7-nail puzzle a shot. Toy with this rustic nail puzzle to see if you can balance 6 nails on the center nail or if the joke's on you. Learn the trick to this puzzle and show it to your friends or family as magic illusion. Set includes a cedar wood block with metal nails exactly like the nails you'd find in a hardware store. Give this rustic metal toy as a gift to friends and family members and get one to yourself to impress friends and family. This primitive brain game's nails measure 4" long and the cedar block measures approximately 4 1/4" long, 5/8" thick, and 2 7/16" wide. Cedar block pocket game ships brand new with our 100% customer satisfaction guarantee.