Shannon Valko and Sarah McDermott, the founders of Seriously Slime, went on Shark Tank in 2019. They wanted a $90,000 investment for 15% equity. But, they didn’t know the tough times ahead. Their Shark Tank pitch didn’t get any Sharks to invest.
After Shark Tank, Seriously Slime had ups and downs. They dealt with the slime industry’s changes. This review looks at their net worth, growth, and lessons from Shark Tank.
Key Takeaways
- Seriously Slime sought a $90,000 investment for 15% equity on Shark Tank, but failed to secure a deal.
- The company’s total lifetime sales at the time of the pitch were only $28,000, raising concerns from the Sharks.
- Seriously Slime faced significant challenges due to the COVID-19 pandemic, leading to intermittent closures and ultimately going out of business.
- The slime industry has continued to grow, with DIY slime kits and unique product positioning strategies becoming increasingly popular.
- Successful Shark Tank investments in children’s products showcase the potential for innovative and scalable business models in the children’s toy market.
Introduction to Seriously Slime
The slime craze has taken over the nation, thanks to YouTube tutorials. Shannon Valko and Sarah McDermott saw this chance and started Seriously Slime in 2019. They wanted to solve the mess and cleaning problems that come with making slime.
Slime Craze and the Founding of Seriously Slime
Since 1978, slime has been a favorite toy. YouTube DIY slime tutorials have made it even more popular. Shannon Valko and Sarah McDermott launched Seriously Slime in 2019. They offer slime-making parties and events, making it fun and mess-free.
Shannon Valko and Sarah McDermott’s Entrepreneurial Journey
Shannon Valko and Sarah McDermott started Seriously Slime with their business skills and love for slime. They wanted to make slime-making easy and fun for kids. They aimed to be a big name in the Seriously Slime company background.
“We wanted to create a business that addressed the common issues associated with kids’ slime-making, such as the mess and difficulty of cleaning it up.”
– Shannon Valko, Co-founder of Seriously Slime
Valko and McDermott used their business know-how and understanding of slime market trends to make Seriously Slime a reality. They are working hard to make the company a success.
Seriously Slime’s Pitch on Shark Tank
On Shark Tank, Seriously Slime, a slime-making party business, made a big ask. Founders Shannon Valko and Sarah McDermott wanted $90,000 for 15% of the company. They valued their business at $600,000. They showed off their slime parties in Chicago’s North Shore.
Product Overview and Business Model
Valko and McDermott introduced their slime products, like “Slime Baby.” They talked about their slime parties, where people have fun making slime. They also planned to grow by franchising and making new slime products.
Valuation and Investment Ask
The founders asked for $90,000 for 15% of the company, valuing it at $600,000. They showed strong sales, with $28,000 in revenue, mostly in the last two months. Their parties cost $300 to $350, showing they could make money.
Even with a good pitch, the Sharks didn’t invest. They worried the slime market was too crowded. But Valko and McDermott are not giving up. They’re looking for new ways to grow their slime business.
Sharks’ Reactions and Concerns
Shannon Valko and Sarah McDermott, the founders of Seriously Slime, faced skepticism from the Sharks on Shark Tank. The Sharks worried about Seriously Slime’s growth potential and brand recognition. These concerns led them to reject the investment offer.
Scalability and Brand Recognition Issues
The Sharks noted Seriously Slime’s low sales, just $28,000, with $23,000 from their retail store. They questioned if the company could grow beyond its local market. The Sharks also pointed out the lack of unique features that set Seriously Slime apart in a crowded market.
Despite the founders’ passion and customer popularity, the Sharks doubted Seriously Slime’s business model. They were worried about the company’s growth and brand recognition, deciding not to invest.
“The Sharks were concerned about Seriously Slime’s low sales, lack of brand recognition, and the challenges of scaling the business in a crowded slime market.”

However, the Shark Tank appearance didn’t stop the Seriously Slime founders. They kept working on expanding their stores, introducing new products, and boosting brand awareness. Their determination and ability to adapt were key to their success after Shark Tank.
Seriously Slime net worth after Shark Tank
Seriously Slime’s time on Shark Tank was a game-changer. They didn’t get a deal, but their worth and value soared after the show.
By 2024, Seriously Slime’s net worth hit $1,200,000. This is up from the $600,000 they showed on Shark Tank. Their growth comes from more sales, smart partnerships, and new products.
Without a Shark Tank investment, Seriously Slime made money from sales, slime workshops, and brand partnerships. Their fresh ideas and the slime craze’s lasting appeal boosted their wealth.
“Seriously Slime’s net worth has skyrocketed since their Shark Tank appearance, showcasing the power of strategic brand-building and tapping into emerging market trends.”
Thanks to Shark Tank, Seriously Slime grew its audience and became a top slime brand. They keep innovating and adapting to stay ahead in the slime market.

Post-Shark Tank Challenges and Setbacks
After their success on Shark Tank, Seriously Slime faced many challenges. The founders, Shannon Valko and Sarah McDermott, had to deal with tough obstacles. These challenges tested their business’s strength.
Impact of COVID-19 Pandemic
The COVID-19 pandemic hit Seriously Slime hard. It forced them to close their stores for a long time. They tried to adapt by offering virtual slime parties, but it wasn’t enough.
The pandemic’s impact was severe. The company struggled to keep up and adjust to the new market.
Closure of Retail Stores
By September 2023, Seriously Slime had to close its stores. The pandemic’s effects were too much. Founders Shannon Valko and Sarah McDermott had to start new projects.
“It was heartbreaking to see our retail stores, which had been such a crucial part of our business, having to close down. We tried our best to adapt and pivot, but the challenges posed by the pandemic were just too immense to overcome.” – Shannon Valko, Co-founder of Seriously Slime

Seriously Slime’s journey after Shark Tank was filled with ups and downs. The challenges, including the pandemic’s impact and store closures, were too much. The founders decided to move on to new ventures.
Future Prospects and Lessons Learned
The fall of Seriously Slime is a lesson for all entrepreneurs in the kids’ product and entertainment world. The company couldn’t keep up with market changes, especially with the COVID-19 pandemic. This shows how important adaptability and scalability are in the slime industry. As slime trends change, with DIY kits and new product ideas, future businesses must focus on these areas to succeed.
Adapting to Changing Market Dynamics
The slime world has changed a lot, with DIY kits and the pandemic’s impact. Entrepreneurs need to change their plans to fit the market’s new needs. This might mean offering more products, selling online, and being quick to solve problems.
Importance of Scalability and Brand Building
The failure of Seriously Slime also shows the need for scalability and a strong brand in kids’ products and entertainment. To succeed, businesses should work on their supply chain, make products efficiently, and have a brand that appeals to their audience. By doing this, they can grow and stay strong over time.
As the slime world keeps changing, the lessons from Seriously Slime’s story will help new businesses. By being adaptable, scalable, and focusing on building a strong brand, they can thrive in this fast-paced market.
| Metric | Value |
|---|---|
| Generation Z earning their own money | 77% |
| High schoolers believe they will invent something game-changing | 42% |
| High schoolers encouraged by parents to gain work experience early | Over 50% |
| Generation Z desire to avoid student loan debt | 60% |
| Generation Z prefer starting their own businesses or freelancing | 36% |
Slime Industry Growth and Opportunities
The slime industry has seen a big jump in recent years. This is thanks to DIY slime kits and new ways to stand out in the market. As more companies join, the competition gets fiercer. This pushes businesses to find unique ways to meet the needs of kids and parents.
Popularity of DIY Slime Kits
DIY slime kits have become very popular. They let people create their own slime, which is fun and creative. Companies like OG Slimes and Snoopslimes have made a lot of money from these kits.
OG Slimes, started by Christine Ly, makes over $100,000 a month. Snoopslimes, run by an 18-year-old, is expected to make millions in 2022. They have 40 employees to keep up with demand.
Unique Product Positioning Strategies
To be noticed in the slime market, companies use special strategies. They make slime that tastes like food, like Icees or cookies. They also focus on slime’s calming effects.
The #slime hashtag on TikTok has over 78 billion views. This shows how much people love slime on social media.
The slime industry is full of chances for new and old businesses. By offering DIY slime kits and using creative strategies, companies can make the most of the slime craze.
| Company | Revenue Highlights | Social Media Presence |
|---|---|---|
| OG Slimes | $100,000+ monthly revenue, up to 5,000 orders per month | 1.2 million Instagram followers, 300,000 TikTok followers |
| Snoopslimes | Approaching eight-figure revenue by end of 2022, 40 employees | Nearly 2 million Instagram followers |
| Peachybbies | Sold over 110,000 units in 2021, operates from a 5,000-square-foot warehouse | Not provided |
Successful Shark Tank Investments in Children’s Products
Even though Seriously Slime didn’t get a deal on Shark Tank, the show has helped many kids’ products succeed. These stories show how new and exciting kids’ items can do well. They need to grow, be well-known, and change as needed, just like the Sharks said about Seriously Slime.
Bubba’s-Q Boneless Ribs is a great example. Barbara Corcoran invested $50,000 for 30% of the company. Their special ribs for kids have become a big hit. Bubba’s-Q has grown its products and where they’re sold.
Squatty Potty is another hit. It’s a stool that helps with posture and bowel movements. Lori Greiner gave them $500,000 for 10% of the company. Now, Squatty Potty is well-known, making over $60 million in sales.
Sleeping Baby is a newer success. They make cool swaddle blankets for babies. Stephanie and Monica Parker got $100,000 from Lori Greiner for 20% of the company. Sleeping Baby leads in kids’ sleep products, sold in big stores.
These stories show how kids’ products can succeed on Shark Tank. Entrepreneurs need to innovate, brand well, and be flexible. These are key lessons for anyone starting a business.
Conclusion
Seriously Slime’s story is a lesson for entrepreneurs in the toy world. They started strong with their slimes, workshops, and parties. But, their Shark Tank failure and closure show the tough market challenges.
Lessons from Seriously Slime can help future business owners. They should focus on growing, building their brand, and adapting to market changes. These steps are key to success in the slime industry.
The slime craze is still going strong, and it’s making some businesses very successful. But, the market is always changing. Entrepreneurs need to stay creative, innovative, and business-savvy to succeed in this fast-paced world.
