Half the fun of watching Shark Tank is laughing at some of the unusual ideas pitched to the sharks.
But for every dumb idea, there's always another that makes you smack your head and ask, "Why didn't I think of that?!"
The items in this list are definitely in that second category.
Whether they earned a deal with a shark or not, they've all gone on to become huge success stories.
1. Scrub Daddy - $6.90
Let's start with the end-all, be-all of Shark Tank products, and the show's most successful invention to date.
Wash it in warm water and the scrubber turns soft for delicate jobs. Under cold water, it gets tough enough for baked-on dirt.
The innovative sponge - with convenient holes for washing utensils - has already sold tens of millions of units.
2. Unshrinkit - $11.99
Unshrinkit does exactly what its name promises. It can return wool, cashmere, and belended fabric clothes to their original size in just 30 minutes.
It also promises to be gentle on clothes, and safe for your hands.
3. Ezpz Mini Mat - $19.99
The creators of the Ezpz set out to reinvent baby bowls and take the mess out of dinner time.
The weighted mat sticks to surfaces but doesn't leave a mark, so (most of) your child's food stays on their plate.
Reviewers also say it's also great for cats and dogs who are messy eaters.
4. The Beebo - $29.99
Created by a dad who needed a free hand while bottle-feeding his baby, the Beebo is a convenient bottle holder that drapes over your shoulder.
It fits bottles of any size, and rotates to suit your baby.
5. Drop Stop - $19.99
Built to keep keys, phones, and other small objects from falling into the "Carmuda Triangle" between seats, the Drop Stop is a real life saver.
The foam log fits between the seats of your car, truck, or SUV, with space for the belt buckle to pass through.
6. CitiKitty Cat Toilet Training Kit - $29.95
It looks odd, but this training kit - including specially-designed training pads - promises to save you thousands of dollars on kitty littler by teaching your cat to pee like a person.
The kit says that any cat over three months old can learn to use it.
7. FunBites - $9.99
FunBites is a must-have for parents of young children.
The safe, easy-to-clean plastic chopper doesn't just mince food into fun cubes for kids to enjoy. It also makes any meal bite-sized, so kids can dig in without fear of choking.
8. BetterBack - $59
Are you hunched over and staring at your phone right now?
We could all use a little help with our posture, and this simple but effective invention works better than a nagging post-it note.
The BetterBack promises to improve your posture and ease lower back pain in just 15 minutes a day.
The system is portable and works with any chair.
9. Signal Vault - $14.95 for a 2-pack
The introduction of tap-to-pay cards has made shopping convenient, but also risky.
Hackers and scammers can steal personal information from your cards, even through your wallet and clothes.
The Signal Vault blocks these kinds of scams just by sitting in your wallet.
One customer says his worked so well it accidentally blocked his work ID card from swiping.
10. Q-Flex - $24.99
Say goodbye to nagging back pain with this innovative acupressure massager.
The Q-Flex's unique design keeps your arms in a comfortable position, using leverage and gravity to massage your muscles.
The Q-Flex is comfortable, safe, and easy to use for a variety of treatments.
11. Bottle Bright - $6.28
If you take a reusable water bottle or coffee mug to work each day, odds are it's pretty grungy.
With their heavy use and the awkward shape, cleaning out bottles, mugs, sippy cups, and other containers is just tough.
But one tablet of this chlorine-free cleaner does the job well - with no scrubbing required.
12. The CreaClip - $29.99
You can cut and style your hair at home in just seconds with this versatile tool.
It can help you trim bangs, add layers, or shape any hairdo with confidence.
13. Kodiak Cakes - $12 for a 3-pack
The sharks weren't impressed with this high-protein, high-fiber pancake mix, but customers were.
Since appearing on the show, this mix has become one of the country's most popular flapjack brands, with a line of mixes and readymade products.
14. Turbie Twist - $19.90 for a 2-pack
These cotton microfiber towel wraps are super-absorbent and designed specifically to dry out your wet hair.
Go to bed in a Turbie Twist, and wake up with dry hair. That means less time with the blow dryer each day.
15. The Squatty Potty - $19.99
After its first appearance on Shark Tank, the Squatty Potty made $1 million in sales in just 24 hours, and has only gotten more popular over the years.
The specially-designed stool aligns your posture to make "going" easier on your body, with a space-saving silhouette and non-slip feet.
16. Bedjet - $349
A former NASA employee designed this innovative climate-controlling mattress pad.
It guarantees that you always go to bed at the perfect temperature for a comfortable and relaxing night's rest.
17. Simple Sugars Body Scrub - $29.95
This scrub bills itself as a "NO-LO," or a no lotion scrub.
It's formulated to be gentle enough for daily use on even the most sensitive skin, as well as patients with chronic conditions like eczema.
Try their Smooth for Men line too.
18. ReadeRest - $18.99 for 2 pairs
Say it with me now, "reader rest."
If you ever had your glasses fall out of your pocket because you bent over, you need this product.
ReadeRest is a magnetic clip-on that fastens to any shirt. Not only do your glasses hang in place, they're also held firmly so they don't slip out.
If you deal with glasses slipping down your nose while working outdoors, there's a Shark Tank product for that too.
Nerdwax is an anti-slip coating for your skin that holds your specs in place all day long - then wipes off at the end of the night.
Nerdwax is $10.99 for one tube, which is expected to last between six and eight months.
19. Ring - $99
It's a doorbell. It's a camera.
It's an all-in-one security system that's popping up in homes across the country.
Ring is a convenient way to see exactly who's at your front door before you open it.
20. Simply Fit Board - $28.99
The "Queen of QVC" Lori Greiner helped make this simple but fun exercise tool a household name.
Swiveling on the board works your core and acts as cardio exercise.
It's gentle enough to do while you're at work, but you can also build a whole workout around the board to really break a sweat.
21. Drain Strain - $14.99
The Drain Strain is a stopper that promises to actually keep your sink from clogging ever again.
A sturdy mesh basket is built-in to catch any gunk that would block up your drain.
22. Nuts 'N More - $14.99
It's peanut butter - but not as you know it.
This flavored nut spread is low in sugar, high in fiber, and tastes great.
If pumpkin or hazelnut doesn't float your boat, there's also birthday cake, salted caramel, and cookie dough.
23. Spatty Daddy - $9.99
Ever get your hands dirty scraping that peanut butter jar for the last few scoops? There's got to be a better way, right?
Well, now there is.
The Spatty Daddy is specially-designed for scraping the last drop out of even the smallest, trickiest jars.
It's perfect for food, but also makeup, lotions, and soap jars.
Have you tried any of these products?
Just so you know, Shared may collect a share of sales or other compensation from some of the links on this page. However, we only choose products we would or have purchased ourselves.