Gratnells Callero Custom Tall Maker Store Adder Unit with 12 Shallow & 15 Deep Royal Blue Trays

The Gratnells Callero Custom Tall Maker Store Adder Unit is a modular classroom storage solution designed to maximize organization while using minimal floor space. Featuring 12 shallow and 15 deep Royal Blue trays, this tall storage frame provides flexible storage for STEM resources, maker materials, classroom supplies, and learning equipment. Its durable steel frame and smooth tray system help create safe, organized, and efficient learning environments.

Why Educators Use It

Schools, makerspaces, libraries, and STEM classrooms need storage that can adapt as learning spaces evolve. This Callero Custom adder unit expands existing storage systems while keeping teaching materials easily accessible, supporting independent learning and helping classrooms stay organized throughout the school day.

Key Features

• Includes 12 shallow and 15 deep Royal Blue storage trays for organizing a wide variety of classroom materials.
• Tall modular adder frame expands compatible Callero Custom storage systems.
• Compact 440 mm depth delivers high-capacity storage without occupying excessive classroom space.
• StopSafe runners help prevent trays from being fully removed, improving classroom safety.
• Durable steel frame supports up to 250 kg for long-lasting educational use.
• Antimicrobial-compatible Gratnells tray system helps support clean, organized learning environments.

Classroom Applications

• Organize STEM kits, robotics components, and engineering supplies.
• Store makerspace tools, craft materials, and design resources.
• Create accessible classroom resource stations for independent learning.
• Expand storage in science labs, libraries, innovation hubs, and collaborative learning spaces.