The Trotter Magwheel T3 is a single wheeled electric skateboard, seen as a budget-friendly alternative to the Onewheel. It is designed for those who enjoy tinkering and DIY repairs, with readily available parts from Innovative Electronics. Notable features include a lower price point, treaded tire, audible alert, and easy modification and maintenance. The Magwheel is described as less smooth on uneven terrain compared to the Onewheel, with a steeper learning curve for mounting and dismounting. It appeals to entry-level users or those wanting a more affordable way into single wheel electric boards.