We've all seen them. Post your favourites here. One to kick off: JOWHOL Magnetic Levitation Platform 360° Rotating Floating DIY Display Stand Home Decor Sculpture Art Show Shelf for Home/Office/Shop Gifts for family/friends Highlights: [Perfect Gift For All Ages] Special gifts for family/friends/business partners, everyone will be very happy to receive such gifts and can’t wait to show their favorite items in their home/office. This can enhance the intimacy between parents and children, relatives, friends, and business partners. [Notice] Please keep the platform away from the metal. Or the levitation may not succeed and you will hear the noise from the platform. It can hold approximately 350g. So keep it not over 400g.
Two which come to mind are the Steering Wheel Mate and Veet Hair Removal. Here's a classic review for the Veet: https://www.amazon.co.uk/review/R3GDDEL1SC1QQ5
Ahh, the Veet one's always a classic. Didn't know about the Steering Wheel Mate - that's a good read.