The Zuru Metal Machine toy set includes three charming cars with eye-catching visuals and a special color-changing feature upon contact with water. These cars promote creative skills and role-playing in children while being durable and made of high-quality metal. No batteries are needed for operation. Suitable for children aged 3 and up, it comes with car dimensions of 7 cm each and package dimensions of 16.510.83.5 cm. This toy offers a unique and engaging playtime experience.