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I love Lego as it relaxes me and I get a nice sense of satisfaction when I complete a set. I enjoy the building process; Following the instructions, checking and rechecking that things are located correctly. I find it enjoyable. I built Lego as a kid and now, at 50, get just as much enjoyment from it.

Are the more complicated set expensive? I remember reading somewhere there were sets made specifically for adults that costs upwards of $100.

They are pretty costly. This one was $200 and I've paid up to $380 for them.