Lego Dimensions: Slimer Fun Pack is an expansion pack for Lego Dimensions, which comes with the Slimer and Slime Shooter minifigures. It is an official Lego product (set number is 71241) consisting of 33 pieces. It is part of the Year 1 releases (September 2015 to May 2016).
- Slime Shooter
The pack enables players to fire Slimer's Hot Dog and activate his Boomerang, Sonar Smash, Flying, Dive, Hazard Clean, Illumination, Mini Access and Hazard Protection abilities. Additionally, players can use his Slime Shooter and rebuild it into a Slime Exploder or Slime Streamer, which upgrade his powers. 
Slimer was previously only available in the Lego set Lego Ghostbusters: Firehouse Headquarters Playset.