This is a Cake Star Hand & Footprint Stamper Set, an 18-piece kit designed for cake decorating. 

It includes 16 assorted silicone stamps and 2 handles. 

The set creates impressions of handprints, footprints, paw prints, boot prints, and lips. 

The stamps are used for embossing designs into fondant, sugar paste, marzipan, or cookie dough. 

Impressions can be filled with isomalt, jam, or icing for added effect. 

The stamps are made from durable plastic and are reusable.