Includes: 400 - Mixed Dominoes ( Pro-Dominoes ) 2 - Bridges ( 4 pcs ) 2 - Straight Tracks ( 5" ) 4 - Domino Spinners 2 - Domino Templates 1 - Splitter (4 Way) Colors May Vary The Mega Accessory kit brings the awesome in domino toppling! This really adds to the domino toppling adventure. We see this as a must have if you want to bring your builds to life. With a template you can create large runs and fields with perfect symmetry. The spinners add so many building options and additional tricks and setups that cannot be performed otherwise. The rapid tracks and bridges is the ultimate way to literally take your stacking and toppling to the next level! Have fun.