Univalve & Bivalve Shells

Identify, sort, and classify various univalve and bivalve shells. Check the classification using the control chart.

This set include 12 univalves & 12 bivalves:

• 24 cards with labels
• 24 cards without labels
• 24 labels
• 1 control chart

Cards are approx. 3¼" x 2½".