Gratnells Callero Tall Maker Store Adder Unit with 12 Shallow & 15 Deep Translucent Trays – Silver Frame

The Gratnells Callero Tall Maker Store Adder Unit provides high-capacity classroom storage for STEM resources, maker materials, robotics components, and everyday teaching supplies. Featuring a durable silver steel frame with 12 shallow and 15 deep translucent trays, it helps educators keep learning environments organized while making materials easy to find and access.

Designed for expanding existing Callero Custom storage systems, this adder unit maximizes storage without taking up unnecessary classroom space. Its smooth-edged construction and StopSafe runners create a safer, more student-friendly storage solution for schools, makerspaces, libraries, and innovation labs.

Why Educators Use It

Organized classrooms support better learning experiences. The combination of shallow and deep trays allows teachers to separate small STEM components from larger classroom resources, while the translucent trays make it easy to quickly identify stored materials. Its modular design is ideal for growing STEM programs and flexible learning spaces.

Key Features

• Includes 12 shallow and 15 deep translucent trays for versatile classroom organization.
• Compatible with Gratnells Callero Custom modular storage systems for easy expansion.
• Heavy-duty steel frame supports up to 250 kg of distributed load.
• StopSafe runners help prevent trays from being fully removed during everyday classroom use.
• Slim 440 mm depth maximizes storage while conserving valuable floor space.
• Rounded frame design improves safety in student learning environments.

Classroom Applications

• Store robotics kits, engineering supplies, and maker tools.
• Organize STEM consumables, electronics, and science equipment.
• Create accessible classroom storage for shared learning materials.
• Expand makerspaces, libraries, and innovation labs with modular storage.