{"product_id":"gratnells-callero-custom-tall-slim-store-adder-unit-24-tray-sunshine-yellow","title":"Gratnells Callero Custom Tall Slim Store Adder Unit with 24 Trays – Silver Frame \u0026 Sunshine Yellow Trays","description":"\u003cp\u003eThe Gratnells Callero Custom Tall Slim Store Adder Unit expands existing Callero storage systems with high-capacity organization in a compact footprint. Featuring 16 shallow and 8 deep trays, this modular storage frame helps educators keep classroom materials, STEM supplies, and learning resources organized, accessible, and ready for everyday use.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Educators Use It\u003c\/h3\u003e\n\n\u003cp\u003eDesigned for schools, makerspaces, libraries, and STEM classrooms, this tall adder unit maximizes vertical storage without taking up valuable floor space. Its modular design allows institutions to build customized storage walls that grow alongside changing classroom needs while supporting safe, organized learning environments.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eIncludes 16 shallow and 8 deep removable Gratnells trays for versatile storage.\u003c\/li\u003e\n\u003cli\u003eCompact tall frame provides high-capacity storage in a space-saving footprint.\u003c\/li\u003e\n\u003cli\u003eModular adder unit connects seamlessly with compatible Callero Custom starter units.\u003c\/li\u003e\n\u003cli\u003eSteel frame supports up to 250 kg with trays rated for up to 5 kg each.\u003c\/li\u003e\n\u003cli\u003eStopSafe runners help prevent trays from being fully removed for added classroom safety.\u003c\/li\u003e\n\u003cli\u003eRounded frame design minimizes sharp edges, making it suitable for student learning spaces.\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 classroom manipulatives, art supplies, and science equipment.\u003c\/li\u003e\n\u003cli\u003eCreate modular resource walls in makerspaces and school libraries.\u003c\/li\u003e\n\u003cli\u003eSupport classroom organization with clearly separated learning materials.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GRATNELLS","offers":[{"title":"Default Title","offer_id":48601789104377,"sku":"CADD1818440202","price":2835.84,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/0692\/0953\/files\/CADD1818440202_-_Callero_Custom_Tall_Slim-Store_Adder_Unit_16_Shallow_8_Deep_Sunshine_Yellow_Trays.avif?v=1782579888","url":"https:\/\/stemclassrooms.com\/products\/gratnells-callero-custom-tall-slim-store-adder-unit-24-tray-sunshine-yellow","provider":"STEMclassrooms.com","version":"1.0","type":"link"}