Wish I could afford the Brickheadz ghostbusters set (it's SO cute) and regret not getting it back then... but I improvised with what I had and made my own slimer. I'm happy
Amazon.com: LEGO BrickHeadz Peter Venkman & Slimer 41622 Building Kit (228 Piece) (Amazon Exclusive) : Toys & Games
LEGO 41622 GHOSTBUSTERS BRICKHEADZ PETER VENKMANN & SLIMER 673419291781 | eBay
LEGO BrickHeadz 41622 Peter Venkman and Slimer from Ghostbusters [Review] - The Brothers Brick | The Brothers Brick
LEGO 40554 Jake Sully & his Avatar
LEGO Harry Potter BrickHeadz Summer 2023 Sets Revealed - The Brick Fan
Ghostbusters Brickheadz (Bundle) - Instructions Parts List - Payhip