Vote for the Best Mother of Invention

Thousands of moms entered our Mothers of Invention contest. These are the three finalists and you pick the winner!

From left: Carolyn Dia (Mom A) invented the Buggy 911; Elizabeth Wen Tortora (Mom B) invented the chopping board with drawers; and Carol Senkalski (Mom C) invented the Multi-Cutter.

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Step 1: Read About the Moms and Their Inventions

Mom A: Carolyn Dia: Buggy 911

Carolyn Dia and her husband Amir Dia of Torrance, Calif., are the parents of two children -- a 3- and 5-year-old.

Dia invented the Buggy 911, a clip-on first aid kit for a baby stroller and can hold any thing a toddler -- or a mom -- might need. She believes that it's a convenient thing for mothers to have in case of emergencies.

Click here to watch her video and see how the invention works.

Click here to see a photo of the invention.

Mom B: Elizabeth Wen Tortora: Chopping Board With Drawers

Elizabeth Wen Tortora, 42, of Syosset, Long Island, N.Y., has been married for five years to Louis Tortora. She is a stay-at-home mother to two daughters.

Tortora invented a chopping board with drawers to help her when she's cutting different kinds of food. She believes having drawers in the cutting board helps her itemize the ingredients and makes her more efficient in the kitchen.

Click here to watch her video and see the how the invention works.

Click here to see a photo of the invention.

Mom C: Carol Senkalski: the Multi-Cutter

Carol Senkalski of Erie, Pa., is a 45-year-old stay-at-home mom with three teenaged children.

Senkalski's invention,

the Multi-Cutter, allows bakers to cut multiple cookies in dough at once.

Click here to watch her video and see the how the invention works.

Click here to see a photo of the invention.

Step 2: Vote for Your Favorite

Voting ends on Saturday night at midnight EDT so get your vote in on time.

Click here to vote.

Step 3: Watch "Good Morning America" on Sunday

The winner of the Mothers of Invention contest will be announced Sunday morning on "Good Morning America Weekend Edition." Check local listings for times.