Watercolor pans and underglaze crayons, to me, are ways of coloring ceramics that would be great for kids, newcomers to the craft, easily transported and relatively easy to make.
12-color Pottery Art Underglaze Watercolor Paint Morandi Color Glaze DIY Ceramic Coloring Jingdezhen High Temperature
12 Sets of Ceramic Underglaze Watercolor Pigment Ceramic Graffiti Painting Glaze High Temperature Resistance 1250-1350 ℃ Pigment - AliExpress
Making An Underglaze Watercolor Pan Set
Amaco Semi-Moist Underglaze Set #108
AMACO – Cone 05-6 - Set No. 110 Semi-Moist Underglazes – Krueger Pottery Supply
Underglaze, 24-Color Concentrated opaque liquid Set of 24 colors – Pasler Art
12 Sets of Ceramic Underglaze Watercolor Pigment Ceramic Graffiti Painting Glaze High Temperature Resistance 1250-1350 ℃ Pigment - AliExpress
Mixing Underglazes – What Can You Mix with Underglaze?
Making An Underglaze Watercolor Pan Set
Watercolor Underglazes Set 110 - Brackers Good Earth Clays