Players will need the MindRacers add-on game, as well as the Osmo iPad Base to play. Both items are sold separately on PlayOsmo and Amazon.
Note that an internet connection is needed to download the MindRacers game from the App Store, and a compatible iPad is needed too.
Here's a complete list of Osmo-compatible iPads:
https://support.playosmo.com/hc/en-us/articles/115009542208-What-iPad-models-is-Osmo-compatible-with-
EFFECTIVE Early 2021, the Osmo MindRacers game is no longer being sold. We will, however, continue to support the app indefinitely.