Is there any chance you could get a refund? Because a lot of people make the Linmon cage - an IKEA hack, and the melamine board is very good and cheap. Basically three Linmon table tops at about 5 each. If you watch the video it tells you everything needed to make the cage
DIY Ikea Linnmon Hamster Cage 🐹 877 sq ins for the same price as a pet store cage! - YouTube