I'm astonished to see nobody has mentioned Duplo (aka junior Lego) yet. My 3yo loves hers and 3 is about the right age because at 2 they're not quite dextrous e

I'm astonished to see nobody has mentioned Duplo (aka junior Lego) yet. My 3yo loves hers and 3 is about the right age because at 2 they're not quite dextrous enough to handle the blocks and build anything more than square blocks.