Once you take out the lid, two storage trays are revealed. The previous Academic set had only one tray with more compact compartments. These trays offer a practical Option to retail outlet a lot of the elements. The 2 sorting trays go on top rated. The prior Mindstorms Education box https://simoncrgth.jts-blog.com/33043655/how-45678-casino-can-save-you-time-stress-and-money