The set includes a practical box that hides the handle and 3 interchangeable roller attachments with different patterns. Usage: To insert the roller into the handle, press the piston on the roller, insert it into the groove on the handle, and release the piston. When replacing, proceed the same way, press the piston, remove the roller. It can be used on various edible covering materials (fondant, marzipan, chocolate modeling paste), but also on non-edible materials (FIMO, clay). Store separately from tools used for non-edible materials. Size: roller 10.5cm