Three cutting wheels from Jovi, each with the wheel in a different shape: one has a serrated rim, another a smooth one. The wheel sits on a curved plastic handle that fits a child's hand.
You roll the wheel over a rolled-out sheet of modelling paste or plasticine. It cuts through the paste and leaves a pattern behind at the same time: a zigzag edge from the serrated wheel, a clean cut from the smooth one. That gives you strips for a little cake, fringes on a figure, or a neat border along a plaque.
The wheels are plastic throughout and are meant for modelling paste and plasticine. Jovi supplies them as a set of three in varying colours, so which colour combination arrives is not fixed.
A small accessory that belongs alongside a tub of clay or modelling paste, and cheap enough to slip in as an extra with a larger craft present.