The 150-piece Magnetic Tiles Building Blocks Set teaches kids the fundamentals of engineering and physics! They can construct buildings and trucks and learn the limits of magnetics and the forces of gravity. Watch them build skyscrapers with the squares and triangles, and even make a truck with the included rolling base. Once the towers, skylines, and rolling vehicles have been built, itÃ¢â‚¬â„¢s time to customize! Emblazon the constructions with your initials or favorite number, and snap in windows that give your buildings character.