{"product_id":"gratnells-callero-custom-low-level-4-deep-4-jumbo-tray-adder-unit-sunshine-yellow","title":"Gratnells Callero Custom Low Level 4 Deep \u0026 4 Jumbo Tray Adder Unit – Silver Frame with Sunshine Yellow Trays","description":"\u003cp\u003eThe Gratnells Callero Custom Low Level 4 Deep \u0026amp; 4 Jumbo Tray Adder Unit provides flexible, high-capacity storage for modern STEM classrooms, libraries, and makerspaces. Combining deep and jumbo trays within a compact footprint, it helps educators organize everything from robotics kits to science equipment while keeping materials accessible for students.\u003c\/p\u003e\n\n\u003cp\u003eBuilt with a durable steel frame and Gratnells' trusted tray system, this modular storage unit can be added to larger Callero Custom configurations as your learning space grows. Its low-profile design also doubles as a practical classroom work surface or display area.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Educators Use It\u003c\/h3\u003e\n\n\u003cp\u003eThis storage unit supports organized, student-centered learning by making classroom resources easy to access and manage. The combination of deep and jumbo trays accommodates a wide variety of STEM materials, helping teachers create efficient, flexible learning environments that adapt to changing instructional needs.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eIncludes 4 deep trays and 4 jumbo trays for versatile storage capacity.\u003c\/li\u003e\n\u003cli\u003eLow-profile modular frame integrates seamlessly with Callero Custom storage systems.\u003c\/li\u003e\n\u003cli\u003eCompact footprint maximizes storage without taking up valuable classroom space.\u003c\/li\u003e\n\u003cli\u003eStopSafe runners help prevent trays from being accidentally removed.\u003c\/li\u003e\n\u003cli\u003eStrong steel frame supports up to 250 kg total load capacity.\u003c\/li\u003e\n\u003cli\u003eDurable polypropylene trays resist everyday classroom wear and are easy to clean.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eClassroom Applications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eOrganize robotics, engineering, and STEM project materials.\u003c\/li\u003e\n\u003cli\u003eStore science lab equipment and classroom supplies.\u003c\/li\u003e\n\u003cli\u003eCreate flexible storage in makerspaces and innovation labs.\u003c\/li\u003e\n\u003cli\u003eSupport classroom libraries, resource centers, and collaborative learning spaces.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GRATNELLS","offers":[{"title":"Default Title","offer_id":48602870382841,"sku":"CADD2544020202","price":1603.03,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/0692\/0953\/files\/CADD2544020202_-_Callero_Custom_Low_Treble_Adder_Unit_4_Deep_4_Jumbo_Sunshine_Yellow_Trays.avif?v=1782626680","url":"https:\/\/stemclassrooms.com\/products\/gratnells-callero-custom-low-level-4-deep-4-jumbo-tray-adder-unit-sunshine-yellow","provider":"STEMclassrooms.com","version":"1.0","type":"link"}