[2025 UPGRADED TRAIN SET W/ REMOTE CONTROLLER]: –This Christmas train set includes a remote controller, a locomotive steam engine, coal car, passenger coach, cargo vehicle with doors, 8 curved tracks and 4 straight tracks; The full -equipped toy train is driven around the Christmas tree and bring more joy to your family; The remote control makes it easy to control the train. The track width for this boys train set is: 6cm (2.36in). [UPGRADE to "ADJUST SPEED", "FORWARD" or "BACKWARD"]:– Compared with other ordinary toy trains on the market, our electric train set uses a remote controller; Children can control the “SPEED “of the model train set through the remote controller, and make the Christmas train “MOVE FORWARD”, “PAUSE”, “BACKWARD” and the functions are very rich; You can adjust the toddler train set for kids ages 4-8 to the speed you want, and these features provide convenience and fun for your kids’ games. [UPGRADE to CONTROL "SOUND" and "SMOKE" ON or OFF]:–The upgraded RC train set for under Christmas tree is equipped with REALISTIC LIGHTS, SOUNDS AND SMOKE, which create a realistic driving atmosphere; More importantly, you can also use the remote control to turn the “SMOKE” and “WHISTLE” ON or OFF (please refer to the manual for operation); In addition, the smoke comes from water, so it is non-toxic and harmless. You can let your family play with confidence. [EASY TO SET UP, PLAY AND KID FRIENDLY DESIGN]: Children can assemble the upgraded rail track parts into their own railroad layout firmly and easily (circular and oval layout), then place the boy train toys hooked on the tracks precisely, finally turn on the switch, the Christmas tree train set for toddlers 2-4 will progress steadily on the train tracks; DIY this kids train set, this hands-on process can actively mobilize your kids’ creativity. Absolutely a big surprise for train lovers. [SAFE, DURABLE & HIGH QUALITY]: This toddler train set is made of durable ABS, non-toxic materials. And each component is subject to strict quality control to ensure impact resistance and durability; Make sure your family deserves a fun and safe experience; You can set the track around the bottom of the Christmas tree or other spots; During the festival, you can also put the Christmas train sets for under the tree to add a festive atmosphere and make your Christmas more joyful. [PERFECT CHRISTMAS TOYS GIFTS FOR KIDS]:This kids train set is a meaningful gift for every child; Model train toys for boys not only allow your kids to play happily, but also allow them to get a close look at the development of industry and technology; During the holiday season, you can also place the Christmas train under the Christmas tree to add a festive atmosphere; These are perfect birthday, Christmas toy gifts for 3 4 5 6 7 8 9 10+ year old boys girls. What should I do if the train still doesn’t work after installing a new battery? Please don’t worry, ask to us immediately and we will help you until the problem is solved. How to prevent derailment? Place the train on the track accurately, refer to the instructions or details page. Find a flat place to place the train (not on a carpet or steep place). If you have any questions, please ask to us, we will help you until the problem is solved. What should I do if the accessories are lost or damaged during transportation? If the accessories are missing or damaged when you receive it, please don’t be worry, please contact our after-sales team immediately, we will replace it for you immediately and solve the problem. Is this rechargeable or does it run on AA batteries? Does it come with a remote control? This train requires 41.5 V AA batteries (not included), come with a remote control and need 21.5V AA batteries (not included). What if you need an extra train? You can pay attention to our Hot Bee store’s “Train Accessories” for more track information. The width of this train track is 6cm (2.36in), please check the corresponding size.