Four fun activity/coloring vehicle-themed board books, each with refillable water pen Reusable white pages feature simple line drawings when dry; filled with color when wet Chunky-size water pen for easy filling, easy gripping Compact, spiral-bound format that's great for travel Promotes fine motor skills, early writing skills, and visual discrimination; product made with FSC-certified materials that support responsible forestry; applies to new inventory only (FSC C156584)