Lego table with storage ... sort of a DIY but looks like it would take all of 5 minutes to put this together (table from IKEA, storage bins and some tacky stuff to secure the Lego building plates)
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LEGO Table from IKEA. The bins (also from IKEA) are made to slide into all the nice slots. The table top is made from a 5' x 5' piece of baltic birch plywood cut to 4' 8". I rounded the corners of the top, routed 1/8" edge, and sanded it using an orbital sander. spray paint which matched the blue LEGO color exactly, and then a clear coat) bought from Home Depot.