5 Unique Product Inventions That Made These Inventors Millions

5 Unique Product Inventions That Made Millions

We’re all creators at heart, whether it’s drawing on a napkin or a painting on a canvas. As humans, it is in our nature to want to invent things, for the simple reason to make our lives easier. These unique product inventions are an example of how just a simple idea can be turned into millions. Never underestimate your great invention ideas.

Unique Product Inventions That Literally Rock

First up we have, the Pet Rock. One of the five unique product inventions that made millions. Inventor Gary Dahl was working as an advertising executive in California when he thought up this unique product invention. He sold it to his consumers by marketing it as a pet that didn’t require the burden a pet owner usually takes on. He spoke about the inconveniences of living, breathing pets who required food, water, grooming, etc. This is one of the most unlikely but unique product inventions to make millions. Thankfully for his swift marketing skills, Dahl had the money rolling in.

unique product inventions

pet rock

Slap On One of These Unique Product Inventions

Few unique product inventions in the ’90s were like this Wisconsin school teacher’s Slap Bracelet. Stuart Anders came up with this popular child novelty in 1983, eventually partnering up with Main Street Toy, to sell his product. This simple bracelet, designed to snap onto your wrist was a hit among children. With his estimated revenue of $6-$8 Million, Anders retired and became the owner and lead designer of Allied Industries.

unique product inventions

slap bracelet

Unique Product Inventions Can Make a ‘Fortune’

One of the older unique product inventions in this article, inventor Albert Carter took this idea from his clairvoyant Mother back in the late 1940s. The Magic 8 Ball, a fortune-telling gadget for all. An interesting fact to note; the Magic 8 Ball used to be known as the Syco-Seer and was encased in a crystal ball. It’s intriguing to see how design changes throughout the product development process. Today the patent for the Magic 8 Ball is actually owned by toy giant manufacturers, Mattel.

Wearable Tech Inventor Makes Millions

Inventor and licensed psychologist Roger Adams daydreamed about the ability to shift his weight and just roll away. Thus he created the Heelys Shoes. Selling more than 1 million units in his first year, this unique product invention was no doubt a huge success for him. In 2010, he was ready to sell his $4.7M in shares and exit the company, for just over $10.6M. After previously selling other shares in 2006 for $41.2M. Not a bad way to leave a company, Roger.

Dollars Turns to Millions

The strangest product invention to make millions is The Spain brothers’ iconic yellow smiley face. They had originally seen Charlie Bell draw this for an insurance company in 1963. Bell had only been paid $45 for it and neither he nor the insurance company thought of patenting it. The Spain Brothers saw their chance and added the saying ‘Have a Happy Day’, patenting the sketch as their own. The famous yellow smiley was sold on buttons in the 60s and early 70s selling over 50 million units. The brothers kept their momentum going and opened the Dollar Express store being eventually bought out by Dollar Tree in 2000 for $500M. 

What are your favourite consumer product inventions? Let us know in the comments below!

If you have a great new invention and you’d like to learn more about this process, get in touch with MAKO here and visit our website to find out more. Feel free to give us a call at 1-888-MAKO and we can set you up on a call with our product analyst.

About: MAKO Design + Invent is the original firm providing world-class consumer product development services tailored to startups, small manufacturers, and inventors. Simply put, we are the leading one-stop-shop for developing your physical product from idea to store shelves, all in a high-quality, cost-effective, and timely manner. We operate as one powerhouse 30-person product design team spread across 4 offices to serve you (Austin, Miami, San Francisco, & Toronto). We have full-stack in-house industrial designmechanical engineeringelectrical engineeringpatent referralprototyping, and manufacturing services. To assist our startup and inventor clients, in addition to above, we help with business strategy, product strategy, marketing, and sales/distribution for all consumer product categories. Also, our founder Kevin Mako hosts The Product Startup Podcast, the industry's leading hardware podcast. Check it out for tips, interviews, and best practices for hardware startups, inventors, and product developers. Click HERE to learn more about MAKO Design + Invent!



    June 29, 2019 at 4:21 am

    I would like an honest truth about my invention. The Vehicle Debris Shield. I am ready to send a sell sheet.

    • MAKO Design + Invent

      July 9, 2019 at 2:48 pm

      Thanks Franklin! We will send you an email to discuss shortly. Looking forward to chatting!

  2. Scott Love

    July 11, 2019 at 4:31 pm

    Interested in talking w/ you. Your company seems well versed and has good appeal on net.
    Time appropriate for my idea, esp w/ what’s happening globally and in North america specifically.

    • MAKO Design + Invent

      July 25, 2019 at 1:18 pm

      HI Scott,

      Thanks for your comment! We will reach out to you shortly to set up a call with our Product Strategist so we can discuss your idea. Looking forward to chatting!


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