Apply a coat of primer to the wood surfaces with a paint brush, and allow it to dry overnight. Apply oil-base or latex paint with a paint brush. Do not paint the glass or silicone. Let the paint dry thoroughly. Finish with a coat of polyurethane, varnish or lacquer. Let it dry completely.
The size of the prey depends on mostly the size of the crocodile. Young hatchlings generally feed on smaller prey, preferring small fish, frogs, insects and small aquatic invertebrates before taking on larger fish, amphibians and small reptiles.
Adult dragonflies eat other flying insects, particularly midges and mosquitoes. They also will eat butterflies, moths and smaller dragonflies. There is one Asian species which eats spiders from their webs! The larvae, which live in water, eat almost anything living that is smaller than themselves.