Discover GraviTrax JUNIOR, the construction range for ages 3 and up! Imagine a real-world inspired universe with realistic decorations. Your child can theme their tracks and dive into the magical world of GraviTrax to create their most beautiful stories! Build a track and modify it: GraviTrax can be rebuilt infinitely! Dive into the heart of the ice floe with this Ice Starter Set! A complete set to explore northern landscapes and polar animals with this marble track! Contents: 100 pieces: 6 plates, 3 colored marbles, 36 blocks, 1 bridge, 4 straight lines, 4 slopes, 11 large curves, 4 small curves, 1 start, 1 finish, 1 whirlpool, 1 hammer, 1 seesaw, 9 3D decoration elements, 4 cardboard animals, 6 open base blocks, 6 decoration bases, and 1 instruction manual with assembly plans.