1、With light an music: Christmas music rings and the car lights up when the train is walking. 2、Electric music train track set: Music and toy design is the children's favorite toy, training listening and intelligence. 3、Safe materials: Disinfecting track accessories for safe use by children. Environmentally friendly pigments, no fading, bright color, made of environmentally friendly raw materials, set safe color, solid color, develop baby color recognition ability. 4、Free to assemble: Four train cars allow children to assemble a richer variety of railway train models, Christmas tree environment decoration accessories, inspire children's creativity, design their favorite environment. 5、Best gift idea: Classical train set is a timeless gift for children, Christmas train set, let the children feel the Christmas atmosphere, this is a happy day, parents can play together and build a better relationship with the children. Material: plastic + electronic components Color: colorful Applicable people: no limit, girls, boys Features: electric Power supply: 5*AA batteries (not included) 1* Train head 1* Elderly carriage 1* Retro lounge 1* Atmosphere Snowman 1* Tree 10* Curve track 4* Straight track 1* Cross track 1* Splicing instructions 1* Storage box