Challenge the PhD in your family with a challenging wooden or metal puzzle! We love these brainteasers as smart stocking stuffers. Each puzzle is solved in a completely different way with a range of difficulties. Grab a few - they make beautiful desk toys or fidgets for teens and adults. Available in 8 styles. Styles and selection may vary. Each sold separately.

You will recieve 1 random color/style. Variety of puzzles available will vary.  
 

From Project Genius for ages 14+ yrs.