Balance training aids are disclosed. Example embodiments disclose a user placing all or part of their body weight on a top surface of a platform that is sitting atop an unstable base member and attempts to balance or complete a balance challenge. In example embodiments, the user places at least a portion of one foot atop the platform during the balance challenge. Adjustability features can be provided so as to provide a varying degree of adjustability to the unstable base member, and thus, provide a varying degree of balance challenges or levels of difficulty.