4-pack of LavaSpaceman from Diverse Medium Designs! 
Including the Blue Dream, Electric, Linework, and Purple variants.
 
Individual versions of all pins except Purple are available through the links below:
https://www.thehiggsmusic.com/product-page/luvaspaceman-blue-dream
https://www.thehiggsmusic.com/product-page/luvaspaceman-linework
https://www.thehiggsmusic.com/product-page/luvaspaceman-electric