Outfit your Pathway Coding Modules with robot specific trays that integrate seamlessly. Simply set in place and have the perfect designated space for your robots. Sold in packs of two (2). Two fit on one Universal Tray. Available Trays: 55528-WB - Sphero Mini/Ozobot Tray 55528-WC - Cubelet Tray 55528-WD - Sprk/Bolt/Dot Tray 55528-WA - Universal Half Tray