Poolazoid Wood Puzzle | Very Hard Brain Teaser for AdultsThis puzzle features 10 precision cut hardwood pieces, including a base and cover. Start by forming the Triangle, followed by the other three shapes outlined on the base, each with a unique solution. Despite its inviting appearance, this puzzle challenges even seasoned solvers; one enthusiast has spent 4 hours on the Triangle without completing it. Rated at difficulty level 10, it offers a rewarding test of skill. Crafted from 1 4 thick cherry and