This waxbased oil pastel set features a replaceable color system with 20 colors that can be swapped at any time. It provides a convenient and fast way to change colors during a project, making it ideal for a range of artistic tasks. Key benefits Replaceable colors: 20 colors can be replaced at will, allowing quick color changes without replacing the entire set. Versatile application: Suitable for graffiti, handdrawn sketches, signature writing, drawing pen work, and general art painting. Safe and environmentally friendly: Made from wax, designed for safe use in everyday art activities. Compact and convenient: Small, portable design suitable for desks, studios, classrooms, and display in small shops. What makes it stand out Flexible color system: Swap individual colors easily to extend your palette and tailor colors to your project. Broad compatibility: Works across graffiti, drawing, lettering, and painting tasks, enabling seamless workflow from sketch to final piece. Everyday safety: Waxbased formulation prioritizes user safety and practical, nontoxic use. Size and material Compact, lightweight design for easy handling and transport. Waxbased formulation suitable for art painting, drawing, and lettering applications. Use scenarios Graffiti and street art planning: Use the 20 replaceable colors to outline and fill designs, swapping colors on the fly to test ideas without carrying multiple sets. Handdrawn sketches and signature work: Create precise lines and smooth color fills for sketches, calligraphy, or signature art on cards and canvases. Classroom or studio projects: Students and artists can swap colors as needed during lessons or projects, supporting iterative study and exploration of color. This description preserves the original features: 20 replaceable colors, waxbased material, suitability for graffiti, sketches, signature writing, drawing pen work, and art painting, plus a compact, portable design.