[Includes: 200 Wonder Pro Dominoes 20 Planks 8 Line Reactors 3 Spinners 2 Templates 12 Arcs 2 Straight Tracks 1 Bridge. All of our products are made out of high quality Plastic ensuring that you will be able to use these for generations without the worry of them degrading or chipping like traditional kids games. Our accessories add to the fun by elevating the possibilities you can make! With our vibrant colors teaching color recognition is a breeze. "This kit is meant to add to or enhance your childs journey into STEM / STEAM. Learn Physics while expressing creativity Engineer a wonderous mountain while teaching patience and coordination at the same time." All of our products are proudly made in the Heart of Ohio USA with sustainable practices and exemplary quality assurance. 1 - Splitter (4 way) 12 - Arcs & 8 - Line Reactors 5 - Rapid Track (plus 2 bonus clips) DOMINOES NOT INCLUDED Colors May Vary]