It’s going to be a big day at the Gosselin house on Monday as the adorable sextuplets turn 6.

PHOTOS: Kate  Gosselin Takes Kids To The Mall

PHOTOS: Jon Does Work Around The House While Kate Does Shopping

Their dad, Jon Gosselin, was spotted Thursday stocking up on a bounty of gifts at a local Toys R Us and you can watch the video right here on RadarOnline.com.

PHOTOS: Kate Gosselin & Her Kids Play At Home

PHOTOS: Kate Gosselin And Kids Start Filming Kate Plus 8

Jon shared that he doesn’t have custody of the kids on Monday, and that he hopes Kate “lets me see them on their birthday.”

PHOTOS: Kate Drops Her Kids Off At School

PHOTOS: Kate Trying To Keep Up With The Kids

It seems impossible that the sextuplets are already turning 6 – It seems like only yesterday that they were born!

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VIDEO: Jon Gosselin Reads Kate’s New Book

Happy birthday Alexis, Hannah, Aaden, Collin, Leah and Joel!