What is a good choice of material that is low cost to make fake rocks, hides, etc... out of. This will be used for Leos and BPs so take into consideration heat and humidity. Thanks in advance for any help!
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"Wanting to be someone else is a waste of the person you are." - Kurt Cobain

"It is better to be hated for what you are than loved for what you're not."

"You laugh at me because I am different; I laugh at you because you are all the same."

~~ Krystal ~~