This item is an item of stationery (paper or writing goods), or other small merchandise such as good-luck charms, mascot straps, et cetera. It does not require either cement or paint to complete or use.
Here's Shiro Togi, pictured having a light kintsuba dessert on one side of this ceramic Japanese tea cup and asking you to join her for Japanese tea on the other. This tea cup measures 10cm tall by 6.9cm wide.