Grace Messier. Remember that name! The 7-year-old recently made her late-night television debut on 'The Tonight Show Starring Jimmy Fallon.' Grace is a young inventor from Weare, New Hampshire and was featured on 'Fallonvention,' a segment were Fallon highlights young inventors.

Grace designed the 'Cleaner Upper,' after realizing she didn't feel like picking up all her toys!

Fallon had a bit of fun with Grace about the name of her hometown and even helped her out a bit when the 'Cleaner Upper' wasn't doing exactly what is was supposed to do.

Check out the video below from The Tonight Show Starring Jimmy Fallon's You Tube page. Grace is the first inventor to be brought on stage!

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