The Colornook Test Pad gives you a dedicated space to try marker colors, test blends, and check layering before committing color to your page. Use the structured testing area to experiment with transitions, compare shades, and see how markers interact so your final coloring decisions feel intentional and confident. Designed to sit beside your coloring book as part of your everyday marker workflow. Details Notepad size: 3.5” × 3.5” Overall size with protector sheet: 4” × 4” 50 tear-off sheets Structured test area for blends and color checks Large open testing space for layering and marker behavior Rigid backing board for support Attached reusable bleed protector sheet included Launch Edition includes charm attachment (while supplies last) Works best with alcohol markers such as Ohuhu, Copic, Caliart, Shuttle Art, and similar marker systems. This pad is part of the first small production batch of Colornook tools.