Authentic Gunnar Fps Mini Designed By Razer Blue-Light Block Kids frames from $ for Kids. The Fps Mini Designed By Razer Blue-Light Block Kids come with a Onyx Black Metal frame. Size: /16/130. Get lenses from VisionDirect: hand fitted by our opticians and made of the best quality lenses! All needs are covered: single vision lenses, computer lenses, but also bifocal and progressive lenses.