driver's license cars/learner cars

We have called them "office magnets"

Not for small children - it is dangerous to swallow magnets

Surface: nickel-plated (Ni-Cu-Ni)

Sy-i-magnet knap rund Ø26 mm., grøn Auto-translated (EN) driver's license cars/learner carsMagnets designed for sewing into clothing, curtains, and similar items feature buttonholes for straightforward attachment. One unit contains two parts: one north and one south. Ordering 1 unit gives you 1 set, and ordering 10 units provides 10 sets. Generally, 5 button sets are adequate for a standard jacket or shirt, though preferences vary. This model is green. Green complements a green jacket or dress well, or it can serve as a colorful accessory