**Features** 1. **Electric Universal Driving:** Equipped with universal wheels, the train automatically turns when encountering obstacles, enhancing playability. 2. **Battery Installation:** Open the battery cover and install three AAA batteries (not included). Close the cover and turn on the lights to play. 3. **Detachable Carriage:** Each carriage features corresponding buckles and rings for easy alignment and secure attachment. 4. **Easy Carriage Installation:** Align the buckle and snap ring to connect the carriages. 5. **Smooth Design:** The train has a smooth, burr-free appearance. The automatic universal wheel design simulates a high-speed train, allowing children to imagine their own high-speed rail adventures. **Specification** * **Material:** Plastic * **Styles:** 551A-1 (three sections), 551A-2 (four sections), 551A-3 (five sections) * **Color:** White * **Sizes:** 41.5 x 5 x 6.5 cm, 52 x 5 x 6.5 cm, 62 x 5 x 6.5 cm * **Weights:** 210 g, 248 g, 290 g **Package Includes:** * 1x Harmony Train Toy