Uberstix Starter Set Future architects engineers and even rocket scientists will love using this versatile construction system The Highly flexible yet sturdy links crossbeams and connecting panels interlock to form rigid structures that soar This 450-piece set has plans for a tower boat bridge ray-gun and UFO Complete instructions included Today's kids are tomorrow's engineers and scientists and this is where they start Uberstix Sets are designed to partner with recycled objects kids may have on hand like straws paper cups and paper clips Utilizes principles of physics and mathematics to build float and fly their wildest projects