There are dinosaurs on the loose in Bushwick -- or at least theatrical costumes stolen from a neighborhood venue.

Surveillance cameras recorded someone stealing a box of dinosaur costumes from the House of Yes Thursday night.

Staff members say the box was outside for around five minutes as they were unloading items for a performance.

Creative directors Kae Burke and Anya Sapozhnikova say they're hopeful that the man will return their costumes if he learns that they were not out on the curb for anyone to pick up. They are offering a $450 reward for their safe return.

Sapozhnikova says she spent about a week working around the clock to make them by hand.