{"product_id":"gratnells-callero-custom-tall-high-store-adder-unit-24-deep-trays-sunshine-yellow","title":"Gratnells Callero Custom Tall High-Store Adder Unit with 24 Deep Trays – Sunshine Yellow","description":"\u003cp\u003eThe Gratnells Callero Custom Tall High-Store Adder Unit is a modular classroom storage solution designed to maximize organization while using minimal floor space. Featuring 24 deep trays and a durable steel frame, it helps educators keep STEM materials, classroom supplies, and project resources accessible, secure, and neatly organized. As an adder unit, it connects to an existing Callero Custom starter frame to expand storage capacity as learning environments grow.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Educators Use It\u003c\/h3\u003e\n\n\u003cp\u003eFlexible storage is essential in STEM classrooms where equipment, consumables, and student projects need to remain organized and easy to access. This high-capacity unit supports efficient classroom management while creating a safer, more organized learning environment that encourages student independence and resource sharing.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003eModular adder unit expands an existing Callero Custom storage system.\u003c\/li\u003e\n  \u003cli\u003eIncludes 24 deep trays for high-capacity classroom organization.\u003c\/li\u003e\n  \u003cli\u003eCompact footprint provides maximum storage without taking up valuable learning space.\u003c\/li\u003e\n  \u003cli\u003eStopSafe runners help prevent trays from being pulled out too far for added classroom safety.\u003c\/li\u003e\n  \u003cli\u003eDurable steel frame supports up to 250 kg with trays rated for up to 5 kg each.\u003c\/li\u003e\n  \u003cli\u003eRounded frame design minimizes sharp edges for child-friendly learning environments.\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 classroom materials.\u003c\/li\u003e\n  \u003cli\u003eStore science lab equipment and project supplies.\u003c\/li\u003e\n  \u003cli\u003eCreate expandable makerspace and innovation lab storage systems.\u003c\/li\u003e\n  \u003cli\u003eManage shared classroom resources in libraries and collaborative learning spaces.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GRATNELLS","offers":[{"title":"Default Title","offer_id":48600808030457,"sku":"CADD070744020202","price":3138.97,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/0692\/0953\/files\/CADD070744020202_-_Callero_Custom_Tall_High-Store_Adder_Unit_24_Deep_Sunshine_Yellow_Trays.avif?v=1782563266","url":"https:\/\/stemclassrooms.com\/products\/gratnells-callero-custom-tall-high-store-adder-unit-24-deep-trays-sunshine-yellow","provider":"STEMclassrooms.com","version":"1.0","type":"link"}