An 11-year-old inventor from San Clemente, California, recycles a skateboard deck to fit inside lockers and backpacks; an entrepreneur from Meridianville, Alabama, revolutionizes aerial sports; a husband and wife team from Vicksburg, Mississippi create outdoor camping gear; and an entrepreneur from San Francisco, California, claims her five-minute meditation app will help the world reduce stress.

Entrepreneurs create the ultimate survival kits to get through the first 72 hours of an emergency; parents from Crested Butte, Colorado, create a thriving business that is disrupting the snack chip industry; an entrepreneur from Cary, North Carolina, has a wireless microphone that you can throw; and a recent college grad from Hamilton, New York, designs an app that takes the guesswork out of navigating big airports.

Professional football player Rob Gronkowski and his brothers pitch an insulated sports bottle; a tool that quickly soothes foot pain; a twist on a popular snack; an innovative way to keep belongings safe.

Premium shirts for men less than 5'8" tall; a high-end photo booth makes all subjects look attractive; no-drill, no-hole curtain rod brackets; a personal flotation device with multifunctional options.

A graphic designer and a patent attorney from Olympia, Washington, have a high-tech way to make children's story time more magical, but the Sharks are skeptical of their business model; a father from Brooklyn, New York, has a brand of functional paternity clothing for new dads; parents from Salem, Utah, bring in their five daughters to showcase a solution to hairy drain problems in the shower and bathtub; and a former pro football player and his business partner pitch a better version of a workout device.

Also, a profile on Sara Blakely, the founder and sole owner of the category-defining company, Spanx, and how her brand was born from a simple goal. She is an advocate of empowering women to be whatever they want to be in order to build successful businesses and create economic opportunity in their communities.

An entrepreneur from Santa Monica, California, introduces the world's first all-electric, free car-sharing service; a monthly membership that makes it easy for parents and caregivers to discover, book and attend family activities at an affordable rate, from an entrepreneur in Chicago, Illinois; a Cambridge, Massachusetts, entrepreneur invented a product that can turn any regular bicycle into an electric bike in under one minute; and a digital baby journal that captures memories through text message, from an entrepreneur in Auburndale, Massachusetts

A woman from Nokomis, Florida, dives into the "snark" tank with her brand of teas, which include ingredients laced with attitude; some Sharks are shocked when two ladies from Los Angeles, California, reveal that all women share a common hairy problem; parents from Albany, Oregon, solved the problem of babies touching the mess during diaper changes; and the Sharks think an entrepreneur from Aurora, Colorado, may be overvaluing his technology that can improve sleep and reduce stress.

An automatic dog potty system that wraps and then seals the waste to maintain a clean and odor-free home from an entrepreneur in Chicago, Illinois; two entrepreneurs from Phoenix, Arizona, designed an app to make tipping easier; twin entrepreneurs from Sacramento, California, hope to make the world of pickup basketball much simpler; and an invention that absorbs moisture and deodorizes sweaty sports gear from an entrepreneur in Ashburn, Virginia.

A high-performance problem-solver; a DNA test that aids in medical research; a high-tech solution for a common chore; a man encourages girls to study coding and technology; a returning entrepreneur showcases his improved home security product.

A healthy smoked fish dip; a hair and beard cutting template; a stuffed animal/blanket hybrid; a wine bottle chiller; entrepreneur Aaron Krause pitches a follow-up product to Lori.

A "hate connection" app; a coconut water-related invention; DIY lab work; and a breakfast-on-the-go idea.

A way to keep warm during the holiday season; Christmas tree; dealing with a Christmas nuisance; a direct connection to Santa Claus.

An entrepreneur from Brooklyn, New York, introduces an ingenious kitchen tool that solves one of the biggest gripes in cooking - the splatter that sprays your kitchen and clothes anytime you cook; an entrepreneur from Miami, Florida, invented a special stroller that allows caregivers to also fit in a workout; and entrepreneurs from New York City believe they have created the best men's garment out there.

An entrepreneur from New York City presents an innovative line of flatware, cups and plates that makes eating more hands-free and carefree; the only airtight, self-sealing zip-top bag in the world made entirely of pure silicone with all the benefits of glass is introduced by an entrepreneur from California; an Arlington, Virginia, entrepreneur hopes to take nap time to a whole new level; an entrepreneur from Pennsylvania is hoping to sell the Sharks on his non-toxic, super hydrophobic spray that repels stains.

Seafood breading mix; a pet communication invention; a re-engineered bathrobe; men's long hair needs; an update on Brightwheel, a software solution for early education.

An idea for empowering women; a way to ease people into water sports; a food item for breastfeeding moms; an animal-themed pet apparel company.

A young entrepreneur from Columbus, Ohio introduces the Sharks to a dynamic pricing tool aimed at Millennials and their spending habits; two entrepreneurs from Park City, Utah and Alexandria, Virginia introduce their revolutionary cleaning tool that they expect will be in every home in the world; and a brother and sister-in-law pair from Medford, Oregon prove that pouring is boring by sharing their original wine product that makes drinking even more fun.

An innovative company that is rapidly redefining the art of gifting with the birth of their online platform makes its way into the "Tank" via a trio of entrepreneurs from Orange County, California; two men from Milwaukee, Wisconsin, introduce their coast guard-approved life jacket they feel is easier to use and will save lives; an entrepreneur from Atlanta, Georgia, pitches her online clothing company of products designed and manufactured in Africa; a mom-turned-entrepreneur from Montclair, New Jersey, manages to help create easier lives for parents with her all-in-one, self-protective silicone pacifier.

A guilt-free sweet treat; a solution when taking a shower isn't possible; a pricing tool that collects spare change to help student loan borrowers; technology for securing and swapping weights quickly and safely; an update on The Bouqs.

A healthy, hydrating treat for thirsty dogs; a convenient portable outdoor fire; a tree-made product; a healthy meal concept; an update on Benjilock.

Eyewear designed to eliminate eyestrain; an avocado bar serves as healthy fast food; a portable solar cooker; an all-natural beverage; an update on Honeyfund, a unique wedding gift registry that helps couples raise funds for their dream honeymoon.

Entrepreneurs from Amarillo, Texas, introduce their new, fun and exciting way to decorate Easter eggs without all the mess; entrepreneurs from Los Angeles, California, pitch their glue-less, self-clinging, reusable tape invention; an entrepreneur from West Covina, California, shares his line of transportation devices to help people get around efficiently and save money; an entrepreneur from New York City presents his digital tool to turn loose change into effortless money.

An energetic entrepreneur from Key Biscayne, Fla., believes he has the best men’s swimwear; entrepreneurs from Alhambra, Cal., present their “better” version of a popular beauty trend; an entrepreneur from Pinecrest, Fla., pitches a solution for eating pasta without the guilt; and an entrepreneur from Kingwood, Texas, has the cure for the dreaded hangover