
Original Stationery
Original Stationery Galaxy Slime Kit
A space-themed DIY slime kit with three real galactic effects, mixable color inks, glitter flakes, and genuine glow-in-the-dark stars and stickers, not just a themed name on a generic kit. Over 13,000 reviews and enough supplies for multiple slime-making sessions, from a brand with a genuinely deep, similarly well-rated slime catalog.
See current price on Amazon (opens Amazon in a new tab)Highlights
- 3 mixable ink colors, 3 glitter flakes, and glow-in-the-dark star pieces plus stickers
- Manufacturer claims over 100 possible color and mix-in combinations from one kit
- DIY kit: kids measure, mix, and tint their own slime rather than getting premade slime
- Strong review history (13,000+) for a themed, non-generic slime kit
About Original Stationery Galaxy Slime Kit
This kit backs up its space theme with three real, tangible effects rather than just a themed name: mixable galaxy-color inks, glitter flakes, and genuine glow-in-the-dark star pieces and stickers, the manufacturer's own instructions have kids store finished slime in star and planet containers so it glows overnight. At 4.6 stars across more than 13,000 ratings, it's one of the more heavily reviewed kits in its category, and it comes from a brand with a genuinely deep, similarly well-rated slime catalog rather than a single breakout product.
Reviewers consistently praise the clear instructions and the amount of supplies, several describe getting multiple slime-making sessions out of one kit rather than a single afternoon. The one real complaint pattern is a value perception, at least one reviewer felt the plastic case and quantity didn't match the price paid. The stated age range is 8 to 12, reflecting the measuring and mixing steps involved, though reviews mention younger kids enjoying it with a parent or grandparent doing the measuring alongside them.
The Honest Take
What We Like and What We Don't
What we like
- Three real galactic effects, mixable color inks, glitter, and genuine glow-in-the-dark pieces, not just themed packaging
- Enough supplies for multiple slime-making sessions, not a single-use craft
- Clear, easy-to-follow instructions repeatedly called out as a differentiator from cheaper kits
- From a brand with a deep, consistently well-rated slime catalog, not a one-off product
What holds it back
- A value complaint shows up in at least one review, feeling the case and quantity didn't match the price
- Stated age range is 8-12, younger kids will likely need adult help with measuring and mixing
- One secondary-sourced report mentions the activator taking a while to fully dissolve, not independently confirmed on Amazon
Is This For You?
Who Should (and Shouldn't) Buy This
Get it if…
Get it if you want a slime kit that delivers more than one craft session, your kid likes glow-in-the-dark or space themes specifically, or you're looking for a hands-on activity to do together.
Skip it if…
Skip it if you're shopping strictly by unit price against bare-bones slime kits, or your child is well under the 8-and-up range and you're not planning to closely supervise the measuring and mixing steps.
The verdict
This kit backs up its galactic name with three real effects, mixable color inks, glitter, and genuine glow-in-the-dark stars, packaged with clear instructions and enough supplies for repeat play sessions rather than a single craft afternoon. At 4.6 stars across 13,000-plus ratings, it's one of the more consistently well-liked kits in its category, from a brand with a similarly well-rated catalog behind it.
What Real Buyers Say
“This Galaxy Slime Kit is honestly one of the best slime sets we've ever bought. The glow and glitter effects look awesome, and there's a huge variety of textures so they never got bored.”
United States
“This is the best slime kit my kids and I have ever tried. The texture is very pleasing and it doesn't have a horrible smell.”
United States
“This is my second time buying this slime kit because my girls love it so much. You can make so many different types of slime with this kit.”
United States
“It's a quality plastic carrying case full of overpriced slime stuff. I opened it and was instantly disappointed at the cost versus what you get.”
United States
Frequently Asked Questions
Is this slime kit actually glow-in-the-dark, or is that just marketing?
Yes, the kit includes glow-in-the-dark star pieces and stickers, and the manufacturer's own instructions have kids store finished slime in the star and planet containers so it can glow overnight in a bedroom. Multiple reviewers confirm the glow effect works as shown.
What age is this Galaxy Slime Kit really meant for?
The listing states ages 8 to 12, which lines up with the fine-motor steps involved in measuring, mixing, and tinting slime. That said, real reviews mention younger kids enjoying it with a parent or grandparent doing the measuring alongside them.
How many different slimes can you actually make from one kit?
The manufacturer claims over 100 possible color and mix-in combinations using the included inks, glitter flakes, and glow powder, and reviewers back this up by describing multiple slime-making sessions from a single kit.
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