Rivendell is one of the 10 biggest LEGO sets ever at 6,167 pieces, and includes every member of the Fellowship from J.R.R. Tolkien’s classic. The perfect space gift for adults who love collectibles.

A huge $170 Mario Kart set aimed at adult collectors is rumored to release as part of the LEGO Icons line in July 2025.

The most expensive Lego Star Wars set to date, this is undoubtedly the most impressive, too. But you'll need a lot of space (and a very big wallet) before you pick it up. Price: $849.99 / £649.99 ...

This 879-piece set lets you build an abstract scene comprised of various breakthroughs in the science world. The base is ...