Lego Duplo is basically like a regular lego brick. Except, it's enlarged. This makes sure that kids won't be able to swallow it. Like all other lego bricks, it is made out of ABS Plastic (Acrylonitrile Butadiene Styrene.) This brick has a high melting point. Which is why, under extreme heat and flames, it only turns into a black-smoke colour. ABS Plastic can be found in components of a car too, hence why it is a hard material and an expensive brick.
Basic LEGO Duplo Set |