Discs for the planetarium

What brand of disks do you take for a home planetarium for children? I bought a used drive. And it stopped working after a couple of weeks. Now I want to order new ones.

I have never bought used wheels. This is unreasonable. New wheels can be bought for normal money. I advise you to buy Sega Star Projector Discs or Sega Homestar Flux Discs https://astronomix.info/planetarium-discs.html They last a very long time. There are discs in different directions. Discs are presented on the website in assortment. Discounts are frequent