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Product photograph as listed on Amazon.
Ooly
Ooly Smooth Stix Watercolor Gel Crayons, Set of 24 | Ages 3+, Easy-Grip Twist-Up with Paint…
$23.5
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7 colours & sizes
Rainy Dayz Gel CrayonsCat Parade Vibrant Gel CrayonsSmooth Stix WatercolorMetallic Watercolor Gel CrayonsDouble Up Crayons - Set of 6Scented Neon Gel Crayons
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Amazon Gifts for Kids — 51 finds
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The Quick Take
What it is
Watercolor gel crayons that twist up like lipstick and blend with a wet brush—24 vibrant colors that work on paper, glass, and windows for kids and doodling adults alike.
Why We Like It
Why it keeps winding up in carts
Nearly 1,000 reviews at 4.7 stars speak to real staying power. People keep buying them, which usually means they actually deliver the buttery texture and watercolor effect they promise.
Twist-up crayons that double as window markers.
Crowd Takeaways
Most reviewers land in the same place: delighted — vibrant, smooth glide.
Ranked by how often each reaction comes up, strongest first, reservations last. Based on 990 Amazon ratings for this product.
Our Take
A versatile, mess-manageable art set that earns its devoted following.
These aren't your standard crayons—they're a hybrid tool that lets you color, then paint. OOLY positions Smooth Stix as a bridge between traditional coloring and watercolor painting, packaged in a portable plastic case with an included wet brush.
The Buying Guide
What to look at before you buy
01
Includes a wet paintbrush in the set
Core Gimmick: Watercolor Blending
The magic here is real: you color with the twist-up gel crayon, then run a damp brush over it to create watercolor-like washes. It's a legitimate technique, not just marketing speak. Works on paper and also on glass/mirrors/windows, which opens up play and decoration possibilities most crayons don't.
02
24 colors, twist-up design, clear plastic case included
Format & Portability
The twist-up mechanism beats sharpening and caps—less mess, less lost pieces. The case keeps everything corralled for travel or storage. This design choice matters for families and classrooms where portability and quick cleanup are real concerns.
03
Water-soluble, soft and buttery application
Texture & Cleanup
They're described as having a smooth, buttery feel—that sensory feedback matters for young artists and adults who enjoy tactile creativity. Water-soluble means they wipe off glass and wash from clothes without drama, which removes friction from the permission to create.
Good to know
The details worth having
- PriceAt $23.50 for 24 crayons plus brush and case, you're paying a modest premium over basic crayons, but you're getting a functional hybrid tool with real versatility.
- Who it’s forBest for kids 3+, creative adults, and anyone who wants coloring to feel less like a toddler activity and more like actual art-making—especially if you have windows, mirrors, or paper in your home.
- From the product page[24 GEL CRAYONS FOR ADULTS AND KIDS]: Unleash your imagination with a rainbow of 24 vibrant and bold gel crayons with rich and intense pigments that make your artwork pop on both glass and paper surfaces…
- From the product page[PAPER AND WINDOW CRAYONS]: These fun crayons feature a soft and buttery texture, which allows smooth and easy application on windows, mirrors, and other smooth surfaces. These crayons provide the perfect…
- From the product page[WATERCOLOR MAGIC]: Elevate your artistic game by adding mesmerizing watercolor effects to your artwork. Use any of these rainbow crayons with an included wet paintbrush and watch the colors blend seamlessly…
- From the product page[EASY CLEAN-UP AND PORTABILITY]: Enjoy stress-free art sessions as our water-soluble toddler crayons wipe away effortlessly. The clear plastic box ensures easy portability, allowing you to take your artistic…
- From the product page[SAFE & NON-TOXIC]: OOLY makes safe products for kids (and adults). Smooth Stix Gel Crayons by OOLY art supplies are great school stationery kits that will take drawing and coloring to a new level of fun!…
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