Holograms mostly seemed like there were going to be really useful in the future but so far they have vastly under-performed for the general public. That being said, they’re still really, really cool and you can check them out with just your phone using the Hologram Viewer.
There’s a good number of tutorials online to teach you how to make your own hologram viewers with supplies form your local hardware store. Not everyone trusts themselves with sharp objects so that being said, this gadget enables you to view (and create!) your own holograms. This little view box, once placed at eye level, will show off some 3D holographic effects and all you’ll need is your smartphone.
You make your custom pieces with the app and show them off. This is a fun little gadget that’s prefect for anyone who likes the idea of holograms but lacks the technical knowhow to make their own viewer. The Hologram Viewer is $17.99.