
Some of the brightest minds in history have gifted us with lightbulbs, penicillin, but also electric spoons, wearable mop suits, and toaster selfies. Genius, meet garbage.
If you’ve ever rolled your eyes at a $199 “solution” to a problem nobody has, you’re not alone. These inventions prove that smart doesn’t always equal sensible, and sometimes, it’s merely ridiculous. Buckle up; your common sense is about to be tested.
Banana Slicer (2010s)

Imagine hating uneven banana slices enough to design a tool just for that. Enter the banana slicer: a curved plastic contraption that cuts your banana into tidy coins, assuming it fits the mold (Spoiler: it rarely does).
This kind of invention solves a problem that is only realistic to someone in a very specific mood with a lot of time on their hands.
Useless Machine (1950s)

Push the switch on this little box, and it turns itself off. That’s it—nothing more. AI pioneer Marvin Minsky created the Useless Machine as a joke, and somehow, it caught on.
It’s proof that humans will buy anything if it’s quirky enough. Is it art? Is it satire? Is it therapy for control freaks? Who knows. It’s called useless for a reason, but at least it’s honest.
Lipstick Assistant (2000s)

If you’ve ever thought, “I wish applying lipstick felt more like dental surgery,” this invention had you covered. The lipstick assistant was a rigid plastic frame you shoved onto your mouth (like a muzzle), supposedly guiding your lipstick stroke.
It wasn’t glamorous or comfortable. It looked like something out of a Halloween costume aisle and didn’t work, because nothing says beauty confidence like needing scaffolding to find your lips.
Selfie Toaster (2014)

Breakfast and vanity finally united. The selfie toaster aimed to imprint your glorious face onto a slice of bread. The reality was a slightly burnt ghost version of yourself staring back while you sip coffee and question the state of consumer tech.
It required a custom plate, was painfully inconsistent, and left most people wondering why they ever wanted toast with a side of identity crisis.
Ten-Finger Tool Gloves (2000s)

There’s multitasking, and then there’s madness. These gloves took “handy tool” (too) literally. Each finger had a different item: a spoon, a pen, a scalpel, even a corkscrew. No one knows what they were for.
You couldn’t hold anything, type, or gesticulate without threatening someone’s eye. It looked like Edward Scissorhands rummaged through a junk drawer. Not even Inspector Gadget would wear these, and he was a walking toolkit.
Two-Person Sweater (2010s)

This wasn’t so much a sweater as a relationship obstacle course. The two-person sweater locked you and another brave soul into one long knit fabric tube.
You shared sleeves, heat, and probably even regret. Walking in sync was a dance, turning corners was a negotiation. One wrong move and you’re both on the floor. Therapy might be cheaper; at least there, you’d each get your own chair.
Toilet Night Light (2014)

Because nothing says dignity like a glowing rainbow toilet at 2 a.m. The toilet night light clipped onto the bowl and lit up like a Vegas marquee. Yes, it helped you avoid flipping the overhead light, but it also made your bathroom look like a rave for porcelain.
A toilet nightlight might sound charming until it starts strobing magenta while you just try to use it in peace.
The Neptune Pine Smartwatch (2013)

This smartwatch wanted to be your phone, fitness tracker, and techy best friend — all in one. It was bulky, clunky, and impossible to wear without bumping into everything. It looked like you’d strapped a calculator to your wrist and cost as much as one.
Calling it a “watch” was generous; it was a wrist brick. Ambitious? Yes. Successful? Not even close.
Baby Mop (1990s)

Someone looked at a crawling infant and thought, “Free labor.” The baby mop was a onesie with microfiber tendrils, turning your child into a human Swiffer. It was cute, not useful. Babies drool and drag crumbs, which isn’t exactly OSHA-compliant cleaning staff.
It made headlines as a joke, and somehow hit the market. If you wanted to combine parenting with passive-aggressive housework, this invention checked every (ridiculous) box.
Shoe Umbrellas (1990s)

There are bad ideas, and then there were these. Shoe umbrellas prove that someone out there wanted to protect their footwear more than their dignity. These mini canopies perched over your toes like top hats for feet, promising dryness and delivering chaos.
One gust of wind and they’d turn inside out, sending you sliding through puddles. Umbrellas belong in your hand, not dangling limply off your feet.