Gratnells Callero Tall Maker Store Adder Unit with 12 Shallow & 15 Deep Trays – Flame Red

The Gratnells Callero Tall Maker Store Adder Unit provides high-capacity classroom storage in a slim, space-saving footprint. Designed for schools, STEM labs, makerspaces, and resource rooms, it includes 12 shallow and 15 deep Flame Red trays to keep teaching materials, equipment, and student projects organized and easily accessible.

Built around the trusted Gratnells tray system, this modular adder unit expands existing Callero Custom storage installations while creating a safe, efficient learning environment that supports hands-on education and independent access to classroom resources.

Why Educators Use It

Educational spaces require flexible storage that adapts as programs grow. The Callero Tall Maker Store Adder Unit helps teachers organize STEM supplies, robotics components, art materials, science equipment, and classroom resources while maximizing storage capacity without taking up excessive floor space. Its modular design makes it ideal for schools building scalable learning environments.

Key Features

• Includes 12 shallow and 15 deep Flame Red trays for organized classroom storage.
• Modular adder unit expands existing Callero Custom storage systems.
• Compact 440 mm depth provides high-capacity storage while conserving valuable classroom space.
• Steel frame supports up to 250 kg with durable polypropylene trays rated for 5 kg each.
• StopSafe runners help prevent trays from being pulled out too far, improving classroom safety.
• Rounded frame design minimizes sharp edges for child-friendly educational environments.

Classroom Applications

• Organize robotics, engineering, and STEM project materials.
• Store science lab equipment and classroom resources.
• Create efficient makerspace supply stations.
• Support library, art, and collaborative learning environments.