Introducing the GridGenius Wooden Blocks Puzzle – the ultimate challenge for sharp minds and quick wits. Available in two variants, this set brings a tactile and engaging twist to the game. Crafted for thinkers and dreamers of all ages, GridGenius stands ready to test, entertain, and inspire. Product Dimension:GridGenius Sleek / 10.63" x 7" x 0.24" / 27 x 18 x 0.6 cm GridGenius Bold / 10.63" x 7" x 0.47" / 27 x 18 x 1.2 cmBoth variants has 40 wooden blocks. EXCEPTIONAL CRAFTMANSHIP Constructed from high-end basswood with a premium smooth finish, the GridGenius puzzles are safe for all, thanks to their natural materials and harm-free paint. CHOOSE YOUR CHALLENGE With two thickness options, you can tailor your puzzle experience. The thin blocks call for delicate precision, while the thicker blocks offer a more robust feel. Both promise hours of strategic play. SKILL ENHANCEMENT This isn't just a puzzle; it's a developmental tool, increasing brain function in areas like pattern recognition, spatial reasoning, and fine motor skills. It's a valuable break from screens that both children and adults can appreciate. GIFT THAT KEEPS ON GIVING The GridGenius Wooden Blocks is the perfect present for any occasion – be it Christmas, birthdays, or as a surprise for those who love an intellectual challenge. It's a timeless gift that appeals to puzzle enthusiasts across the board.