70801 Melting Room was a 122 piece The LEGO Movie set with 3 minifigs released in 2014. It was retired in January 2016 with a lifespan of 25 months. 
 
Danger! Emmet has been captured by Lord Business' Robo Police who've taken him to the Melting Room. A Robo SWAT has chained and cuffed Emmet to a tilting, rotating laser machine and is trying to zap the Piece of Resistance from his back using a huge adjustable laser. Help Wyldstyle to slip into the Melting Room undetected, smash through the chains with the axe and free Emmet.