These are as described - colorful and fun! I had no trouble with the two I tested - wind up was simple, and they flew every which way. The flight path, direction, and speed vary a great deal and is unpredictable. That’s part of the fun, but was a problem for me since I was planning a simultaneous, multi-flyer, surprise indoor release at a family gathering (including little ones). In those circumstances there’s too much chance of someone getting poked in the eye - so I had to return them. I’ll be...