Packed with dynamic action scenes of trains from around the world, from steam trains and diesels to high-speed trains and even super-speedy maglevs. Use the brush provided to sweep water over the designs and vibrant hues magically appear! A mess-free way to keep children busy, perfect for travel. Simply tuck the waterproof back flap under each page as it's painted, to stop water from seeping through to the rest of the book.