Hervé Tullet invites readers to mix it up in a dazzling adventure of colour and tones. Follow the artist's simple instructions, and suddenly colours appear, mix, splatter and vanish in a vivid world powered by the reader's imagination. The result is not only enchantment and giggles, but a deeper understanding of colours, brought about by a real master of his craft. This New York Times bestselling book from the creator of Press Here is now available in a toddler-friendly board book.