Right now, the Vqjtcvly 3-Speed Mini Cordless Rotary Tool, is on sale at Walmart for just $20. This small but mighty tool is great for carving, sanding, polishing, grinding, cutting, and more.
Naturally, it makes a rotary tool station that's small enough to be portable, and powerful enough to be fastened to a workbench or wall and deployed as a stationary do-it-all feature.