This assorted shells loose part pack is the perfect addition to various types of sensory play or other crafts and uses. We use our acrylic pieces with play dough, water, rice/pasta sensory mixes or even on there own. This set comes with 7 wood engraved pieces as shown in picture, in a drawstring bag. Pieces are 2" dimensions. These pieces are made from 3mm baltic birch, with a laser cnc cutting machine.