Walmart.com has the Merge Cube for $9 or $5 with pick up discount, regular price is $14.97. YMMV
https://www.walmart.com/ip/Merge-Cube/968302018
Meet the Merge Cube, the worlds first holographic object you can hold in the palm of your hand. Our award-winning holographic cube gives you the power to control holograms! You can play, learn, and explore in magical new ways. Just download apps using your tablet or smartphone, view the cube through your device’s camera, and watch the Merge Cube come to life as it transforms into anything you can imagine! Super power your experience by selecting the optional Virtual Reality mode, then slide your smartphone into virtual reality goggles to completely immerse yourself in holographic worlds. Its virtual reality, augmented reality, and mixed reality in one — Its Merge Reality!
Here is YouTube video, looks like works with those virtual reality glasses or an app off your phone.
https://m.youtube.com/watch?v=XfQE8-Xn_iE
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