Hot Wheels PSA: asked about this a while ago, wanted to share in case any of you are considering: the "Polaroid Cube" (not cube+, not cube act 2) is confirmed to fit
Polaroid Cube+ Action Camera Test & Review
Polaroid Cube Hd Action Camera for Sale in Santa Clara, CA - OfferUp
Polaroid Cube pendent red - Kamera Express
Amazon.com : Polaroid Cube Act II HD 1080P Mountable Weather-Resistant Lifestyle Action Video Camera (Black) 6MP Still Camera w/ Image Stabilization, Sound Recording, Low Light Capability & Other Updated Features : Electronics
Polaroid | Cameras, Photo & Video | Polaroid Cube Hd Action Camera | Poshmark
Polaroid Cube Strap Mount Brand New | eBay
Polaroid's Cube+ camera more useful thanks to Wi-Fi - YouTube
Amazon.com : Polaroid Monkey Stand for Cube Action Camera : Electronics
Polaroid Cube: Going After GoPro With a $99 Action Camera - Bloomberg
Amazon.com : Polaroid Cube HD 1080p Lifestyle Action Video Camera (Black) [Discontinued by Manufacturer] : Electronics
Polaroid Cube review: Hands-free video in an ultrasmall package - CNET
Amazon.com : Polaroid Cube Act II HD 1080P Mountable Weather-Resistant Lifestyle Action Video Camera (Red) 6MP Still Camera w/ Image Stabilization, Sound Recording, Low Light Capability & Other Updated Feature : Electronics