CRAYOLA-Dry-Erase Learning Flash Cards: Colors. These sill monsters make learning colors fun! From blue to black; your child will practice identifying colors and have a great time completing the monster Dot-to-Dots and counting activities! The 32 dry-erase cards will provide countless hours of monstrous fun! This package contains thirty-two 6-3/4x4-3/4 inch dry-erase learning cards. Recommended for Grade Pre-K. Dry-erase markers not included. WARNING: CHOKING HAZARD: Small parts. Not for children under 3 years. Imported.