Patented Brain Flakes brand discs from VIAHART are a new construction toy that teaches children spatial thinking and lets imaginations run wild! This tube contains over 16 wheels and 8 axles, which means hours of endless fun and engineering education. In addition to brain building, Brain Flakes discs improve the coordination and dexterity of young children, keeping both their minds and bodies active! The discs measure 1.3 inches across and are 1/10th inch thick. They click together and apart easily for all ages and levels of motor skills. They come in a great reusable plastic jar (PET). The discs themselves are made from safe and d polyethylene (PE). The cap of the jar is made from polypropylene (PP). Our discs are a revolutionary addition to the world of children's and adults' construction toys. Get a Brain Flakes set today!