Be still, my nerdy heart.

Steampunk — which has inspired books, art and fashion — hinges on the idea of a future in which we use steam, rather than oil or electricity, as our primary source of energy. Still confused? Think 19th-century fashion and technology, but applied to a futuristic world. Or check out bing steampunk.

Lego’s foray into steampunk will include three models and 13 different designs, including a hover-mobile, steam engine and “mad science ray.” —MSN.