It is the best birthday gift choice of hands-on ability for 3-6 years old. Toy Train Set Tracks: 228 Track Pieces - 6 Tree - 2 Race Cars - 1 Door - 1 Bridge - 1 X-shape Crossroad - 2 Slopes - 8 Traffic Signs Frozen Themed Race Track: Create unique fantasy train tracks of frozen world. A good interaction toy for boys and girls Be easy to assemble or take down to store.