Editor's note: Ross Rubin is principal analyst at Reticle Research and blogs at Techspressive. Kickstarter has seen its share of campaigns that spin out of control, but it's a lot more impressive when spin is in control. Seeing that potential, a trio of tethered toys has recently cropped up on the site, with each appealing to different levels of rotational robustness. Here's the spin on how they've turned out.