On the second floor of a nondescript warehouse owned by New York City's Sanitation Department in East Harlem is a treasure trove—filled with other people's trash. Most of the building is used as a depot for garbage trucks, but there's a secret museum that takes over an entire floor.

Kane

Ever wanted to connect your Legos and Tinkertoys together? Now you can — and much more. Announcing the Free Universal Construction Kit: a set of adapters for complete interoperability between 10 popular construction toys.

You Can Shave the Baby (by Polish artist Zbigniew Libera)

Mr. Daniel

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Every family, it seems, has its own set of words for describing particular Lego pieces. No one uses the official names. “Dad, please could you pass me that Brick 2x2?” No. In our house, it’ll always be: “Dad, please could you pass me that four-er?”

And I’ll pass it, because I know exactly which piece he means. Lego nomenclature is essential for family Lego building.

“Dad, I’m building a roof for the medical pod, but I need a hinge-y bit to make it open up. You know, one of those four-er flat hinge-y bits.”