I made another set of rollers for the business card embosser for kids to play with. This one is hearts for Valentine's Day. This design doesn't have a lot of surface area and makes a nice impression.
To build the rest of the device these rollers go with see this link here: Business Card Embosser - Level up your business cards! by Makerspace.Online - MakerWorld
See the key I made to go with this embosser too that makes it easier for kids to turn:
https://makerworld.com/en/models/155773#profileId-170536