BATON ROUGE- Baton Rouge Police are investigating a break-in at the Knock Knock Children's Museum that occurred Tuesday evening.

Staff at the Knock Knock Museum say an intruder threw two slabs of concrete through an office window, resulting in thousands of dollars in damages. 

Now they're making some changes to ensure this doesn't happen again.

"It was unfortunate. It was a little bit of a nerve-wracking experience. I wanted to make sure nobody was still in the building. I called the police right away and they were here relatively quickly," Marketing Director Jimmy Frederick said.

Fredrick said he knew something was wrong as soon as he arrived to work Wednesday morning. 

"What really kind of tipped me off is that we have a little pod, a storage unit next to our dumpsters, and it was half-open. I thought that was a little strange."

The thieves threw the two slabs of concrete through the window and climbed through the shattered glass to get inside.

Frederick says the burglar ransacked the office and got away with a computer monitor.

"We certainly want anyone who is committing crimes in our community to stop and to not do that. We would like to see them caught and punished for the issues that they've caused."

Frederick says this is not the first time the museum was targeted by thieves. 

"We have had other things that were broken into, like our vending machines in the back. We had a food truck here for a while, a sno-ball stand, and they were broken into a couple of times." 

Management at the museum is now upgrading security measures to prevent burglaries from happening again. 

"It's about keeping everyone safe and it's about making sure our museum is as safe as it possibly can be. This is something that scares us all a little bit. To know that somebody would break into a children's museum. It's just unfortunate all the way around."

The museum is temporarily closed due to the shelter in place order. 

In the meantime, they have moved all of their programs online: http://knockknockmuseum.org/

The investigation is ongoing.