Now official - TRU is closing ALL stores. Officially they've said you have 30 days to use gift cards as of 3/15/18, but the store is already getting picked clean and you're not guaranteed to be able to use them that long. I'd still use those gift cards TODAY if you don't want them to be worthless, just in case.
Also remember to check your rewards total and use those points/certificates as well! There's 30 days announced on those too.
Store locator: https://www.toysrus.com/storeloca...gleMap.jsp