There is certainly no age limit to playing with Lego blocks: there is especially no limit to collecting rare and prestigious Lego sets. The world's most expensive Lego sets are by no means something most kids would want for Christmas, but they're certainly interesting for serious collectors.
In the lower one photo gallery you can see what they are the most expensive Lego sets in the world. Lego blocks are truly one of the most interesting toys that do not let go of their grip even after we outgrow children's clothes.
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