Size: 13cm / 5.07" Color: As shown Instructions: 1. Fill one of the two tubes at the bottom of the boat with water until the water overflows from the other tube. Place in water. 2. Light the candle and place it on the tray. 3. Place the tray inside the boat, aligning the flame with the balloon at the top of the boat. 4. Once the balloon is heated, the boat will start moving. 1. The Iron Boat Candle Boat is an educational steamboat that helps children, students, and teachers with cognitive and manual learning. 2. The unique design allows children to learn through play, stimulating their creativity and imagination. 3. The Iron Boat Candle Boat is a perfect gift choice that can spark children's interest in science and technology. 4. Through DIY assembly, children can make their own steamboat, fostering their manual dexterity and logical thinking. 5. This Iron Boat Candle Boat is not just a toy, but also an educational tool that helps children accumulate knowledge and skills through play. No other toy can provide such a rich learning experience. Package includes: 1 set Iron Candle Boat