Unique, connect-anywhere Brackitz attach to traditional planks at any angle, enabling builders of all ages to create everything from small-scale builds to larger-than-life, gravity-defying, 3-D structures? no limits. With plastic planks and new rotating pieces, the Inventor Series enables anyone to creative builds with moving parts! Versatile, durable and portable, award-winning Brackitz brings real life art, math, science, architecture, and engineering principles into play! The Brackitz 28 Piece Inventor Set is the perfect party gift or starter set for the budding inventor.