Flipper Zero is a portable multi-tool for “hackers” who likes to play around with radio protocols and access control systems. It started as a Kickstarter project on 30th July 2020. It was then successfully funded on 29th August 2020 after raising a total of US$4,882,784 from 37,987 backers, which blew past their initial goal of only US$60,000.
I was their early bird, so I paid US$119 (S$166) without shipping as Flipper could not determine the shipping cost then. When they managed to get their logistics sorted out in September 2021, I paid US$13.37 (S$19) for shipping to Singapore.