These Window Curtains Use Sand When you see it you will ask yourself why you didn’t invent it and why was this not commercialized before. Facebook Prev Article Next Article Inventions Checkout these cool gadgets... Related Posts Camera For Comparing The Differences Between Competitors Transparent Solar Panels for Cars? ASB GlassFloor – Replaces Painted Lines with LEDs Finally a Wearable Airbag for Skiing Imprint Bicycle Grips Designed to Take The Shape of Your Hand Self filling water bottle that turns air into drinking water