SINGAPORE - Antigen rapid test (ART) kits for use at home have been flying off the shelves as self-testing ourselves for Covid-19 becomes a regular part of people's lives at work, school and home. The Straits Times checks out the various kits out there to find out how easy each of them are to use. The kits cost between $8 and $13 apiece, with a lower per-kit price for larger packs. 1. Abbott PanBio Covid-19 Antigen Self-Test ST PHOTO: HILLARY TAN Wait time for results: 15 minutes Number of rotations in each nostril: Five Available at: Most major pharmacies The biggest difference with this kit is that the buffer solution comes in a separate container, and must be transferred into a dropper tube before use. The instructions also specify that the swab stick must be broken at the break line and left inside the tube before sealing and dripping the solution onto the test device. Our review: The Abbott PanBio test is great for home use. The separate packaging for the buffer liquid keeps things very hygienic, and the steps are clear and easy to follow. However, the packaging is stiff and not the easiest to use. I find the process more finicky and messier, which could make them more challen...