Gratnells Callero Tall High-Store Starter Unit with 24 Deep Trays – Sunshine Yellow

The Gratnells Callero Tall High-Store Starter Unit is a high-capacity classroom storage solution designed to keep STEM learning environments organized, safe, and efficient. Featuring 24 deep Sunshine Yellow trays within a durable silver steel frame, it provides ample storage while maintaining a compact footprint—ideal for classrooms, makerspaces, STEM labs, and libraries.

Built around the trusted Gratnells tray system, this modular starter unit helps educators create flexible storage that grows alongside changing classroom needs. Its child-friendly design and StopSafe runners support safe daily use while keeping teaching materials easily accessible.

Why Educators Use It

Schools and educational organizations rely on the Callero storage system to organize hands-on learning resources without sacrificing valuable floor space. Its modular design makes it easy to expand storage as STEM programs evolve, while deep trays simplify the management of equipment, consumables, robotics components, and classroom supplies.

Key Features

• Includes 24 deep antimicrobial trays in Sunshine Yellow for high-capacity classroom organization.
• Tall treble-width steel frame provides up to 250 kg total load capacity.
• Compact 440 mm (16.9") depth maximizes storage while minimizing classroom footprint.
• Compatible with the modular Callero Custom system for future expansion.
• StopSafe runners help prevent trays from being pulled out too far, improving classroom safety.
• Rounded frame design eliminates sharp edges for child-friendly learning environments.

Classroom Applications

• Organize robotics kits, engineering components, and STEM project materials.
• Store science lab equipment and classroom consumables.
• Create centralized resource storage for makerspaces and innovation labs.
• Keep shared classroom supplies accessible and neatly organized.