They didn’t stick. Then, in January 1958, Lego obtained a patent for an idea it had been working on for years: a stud-and-tube design that allows kids to snap the bricks together without them ...

A press release says the pilot program "will accept any and all previously used LEGO bricks and donate them ... to share the joy of building with other kids by giving back in a meaningful ...

and that’s when Christiansen began thinking that perhaps they could use those old bricks to build something extra cool. “Instead of tossing them, we could recycle the experience to some kids ...