Mobile Slime Party Package: 1 Custom Slime Per Guest

My daughter and her friends had a blast making slime for her 9th birthday! The Once Upon A Slime team were on time, professional, patient and worked hard to ensure every child had fun! The best part? I didn’t have to lift a finger. We can’t wait to do it again next year!

Today, Once Upon a Slime did my daughter’s 9th birthday party and the WHOLE experience was amazing from start to end. The team was involved the entire time and made this a great experience for our girl and her friends. I would definitely recommend this company to everyone!

My mom and I decided to try Once Upon a Slime at a creators market and it was amazing. My mom had fun mixing and learning about slime. She even commented on how it helped her arthritis in her wrist. Ms. Tee and her team delivered an exceptional experience that will forever be a core memory for my mom and me.

Having a nonverbal autistic two-year-old I often shy away from things like slime tables. When I met the staff of Once Upon a Slime Kids, they advised me that they work with tons of autistic children and to trust them with my child and to see if they could get him to enjoy the process. I was so impressed with how they were able to help my son stay focused on the project, and how they were able to remain patient the entire time when my son would start to look away or show disinterest they continued the process explaining every step, making it almost like a magic trick. By the time the slime was done, they took the slime and slowly incorporated it into my son’s hands, knowing that textures can be difficult for autistic children. Then, at the end, they gave my son a toy that would appeal to his senses. They gave him the option of putting it into his slime or holding onto it, and he chose to put it in! I highly recommend Once Upon a Slime Kids, for all kids!

We hired Once Upon a Slime for my daughter’s seventh birthday party, and I truly cannot say enough good things about the experience. They’re a mobile, sensory-based slime company that brings all the excitement (and all the supplies!) right to your home, and they made our party unforgettable.

From the moment Mrs. Tee and her wonderful staff arrived, everything was taken care of. They brought tables, aprons, bowls…literally every single thing the kids needed to dive into slime making. They set it all up beautifully, guided the kids through a fun, interactive, hands-on experience, and somehow made it both educational and incredibly entertaining.

One of my favorite things about Once Upon a Slime is how they managed to keep every child engaged. Our party had little ones as young as 2 and big kids up to age 9, and every single guest was completely absorbed, laughing, mixing, and proudly showing off their creations. Parents kept telling me how amazing the activity was and what a fantastic time their kids were having.

And when the party was over? The entire setup was whisked away, and the room looked spotless. I had zero clean-up.

It was an absolutely incredible experience for my daughter and her friends, and I would recommend Once Upon a Slime in a heartbeat to anyone looking for a unique, joyful, low stress party activity. They are the BEST!

We made sure to get Once Upon A Slime for an easy in-house field trip and it was the highlight of the semester. We were glad to find a program that balances rigorous science with pure joy. They managed the classroom beautifully and left our students feeling like young magicians through the use of science. Can't wait to do this again!

My son usually hates getting his hands messy. I knew he’d only watch, but the team was so patient and encouraging. Before I knew it, he became curious enough to try. I was so shocked!

Partnering with Once Upon A Slime was a dream. They worked with us to make sure every child, regardless of their background or ability, got to create something from scratch. They provide an experience that builds confidence.

It’s often hard to find events where my daughter feels truly included, but Once Upon A Slime was so patient and kind. They made sure the textures were just right for her sensory needs.

Sent a DIY kit to my niece for her birthday and I’m officially the favorite aunt. The packaging was so cute and she spent the whole afternoon sending me videos of her 'swirls.' Way better than just another plastic toy.

We had a huge turnout for our DIY slime class and I was worried about the chaos, but they was so organized. The kids learned a bit of science without even realizing it. Definitely bringing them back for our summer kickoff!

We had Once Upon A Slime for my son’s 10th birthday and it was a hit. The fact that the kids got to make it from scratch kept them so engaged. You can really tell this business was started by a kid (the founder is 11!) because they just get what makes it fun.

My daughter had the best 6th birthday party thanks to, Once Upon A Slime! They were professional, super friendly, and kept the kids engaged the whole time! I would 100% recommend them to anyone looking for a no hassle, fun event!

I went in thinking slime was just for kids, and now I’m the one asking when the next workshop is.

My kids have had so much fun making slime with Once Upon A Slime in several occasions. Mrs. T is very patient and loads of FUN when she teaches the kids the scientific process in making slime. They just can't get enough. Awesome way to distract them from their tablets. Great small company. Consider for any event!!

We made slime once and now my child acts like I should open a factory. They keep telling people I’m a slime expert because of this party. The staff did too good of a job teaching them. I’m now expected to recreate the magic at home. Someone please send help!

My girls loved the slime and I loved that it didn’t get stuck in my carpet. The different colors were a hit.

Once Upon a Slime created an amazing party -everything was easy. Stress-free, fun, and enjoyable. All materials were provided, and clean up was a breeze!!! The kids loved molding and playing with the materials. Highly recommend!

I love how Once Upon a Slime mixes learning with play. My students didn’t even realize they were learning about science while having so much fun! The setup was neat and well-organized, and every student left proud of their creation. It’s rare to find something both educational and exciting that holds kids’ attention like this. We’ll definitely be inviting them back to our school soon.

My kids highly enjoyed their experience!! They still rave about the experience and keep asking can they do it again. Definitely a winner!!!! Truth be told the adults enjoyed it just as much!!

Once Upon A Slime offers great rewards! It is therapeutic for all ages and all levels of ability! It improves your muscles in your hands and heals your spirit with a smile!

Once upon a slime has been a big hit to all our events for our kids. They absolutely love this and you don't have to do anything. This company comes and captures the kids attention and really adds a wow factor to your event.

Once Upon A Slime is top-notch in service, connecting with the children, products, and more. Our children had an incredible time! This company is definitely 5-star! The owner even helped by sons school when a slime recipe went wrong so the kids could finish their fun slime experience.

The kids had sooooo much fun. Who know slime was a winner!!!

Will definitely book again

If you're looking for a way to spark creativity in your kids and add that special touch to your next event for your school or kids please consider Once Upon A Slime!

Once Upon a Slime absolutely exceeded my expectations! From start to finish, the experience was smooth, fun, and incredibly engaging for the kids (and even the adults!). They brought everything needed to turn our space into a bright, hands-on slime lab, complete with colorful materials and exciting activities.

What I loved most was how educational it was, the kids weren’t just playing with slime, they were learning through sensory exploration and creativity. The team was professional, organized, and so patient with every child. You can tell they truly love what they do!

If you’re looking for a unique, mess-free, and memorable party idea that will have everyone smiling (and talking about it for days), I 100% recommend Once Upon a Slime. It’s the perfect mix of fun and learning, we’ll definitely be booking again!