Crocodile Creek

Crocodile Creek makes incredibly high quality children's puzzles, with thick, durable cardboard pieces. These are some of the best on the market. 

All their puzzles are thoroughly tested to meet safety standards set forth by the U.S. Consumer Product Safety Improvement Act (CPSIA), American Society for Testing and Materials (ASTM F963), the European Toy Safety Directive and Standard (EN71) and Canada Consumer Product Safety Act and Toy Regulations (SOR).