Not paint-by-number, but a similar concept: use stickers to create fun images with a 3D effect, including mockups of famous artworks
Paint By Sticker Brand Page
color your own stickers book volume 2, Five Below
Explore the world of diamond painting with the new Creativity for Kids Big Gem Diamond Painting Kit! This diamond painting kit is perfect for beginners and children. The complete child craft kit includes everything needed to create 12 stickers and 2 suncatchers. Decorate your backpack, journals and lunchboxes with homemade stickers. The magical themed comes with a unicorn, rainbows and more! This is a mess free craft kit for boys and girls as no glue is needed.
Creativity for Kids Big Gem Diamond Painting Kit - Magical
Disney Princess Color and Sticker Activity Set, Crayola.com
2 Pack Sticker Books for Kids Ages 4-8, Crafts for Kids Ages 4-8 Sticker Paint Books Boys and Girls Birthday Gifts Halloween Party Favor, Travel Activity Book Set for Learning (Animal+Insect)
Stickers Fun and Functional Sticker Sets - Erin Condren
Workman Publishing Paint by Sticker Series, Kids
2 Pack Sticker Books for Kids Ages 4-8, Crafts for Kids Ages 4-8 Sticker Paint Books Boys and Girls Birthday Gifts Party Favor, Travel Activity Book Set for Learning (Princess+Mermaid)
39 Simple Sticker Ideas You Can Borrow
The Highlights Book of How
Paint By Sticker Brand Page
The 20 Best Art Kits for Kids of 2024
Ridiculously Cute 1000+ Sticker Book 40 Pages - Fashion Angels : Target