Accessible via Google for Developers . Needed Parts: Corrugated cardboard Lenses (40mm focal distance) Two magnets (to act as buttons) Velcro strips and a rubber band 📱 Compatibility & Requirements
eBay : Often has original Google-branded units or multi-packs (e.g., ~$45 for a 2-pack). google cardboard official buy
One of the original primary partners still producing Cardboard-compatible viewers. Accessible via Google for Developers