Gratnells Callero Tall Maker Starter Unit with 28 Shallow & 7 Deep Translucent Trays

The Gratnells Callero Tall Maker Starter Unit provides high-capacity classroom storage in a compact footprint, making it ideal for STEM classrooms, makerspaces, libraries, and innovation labs. Featuring 28 shallow and 7 deep translucent trays, it helps educators organize tools, components, and learning materials while keeping everything easily accessible for students.

Built with a durable steel frame and Gratnells' trusted tray system, this modular storage unit supports organized, student-centered learning environments. Its expandable design allows schools to create storage solutions that grow alongside evolving classroom needs.

Why Educators Use It

STEM learning often involves a wide variety of equipment, consumables, and project materials that need to remain organized and accessible. This storage unit helps teachers maintain efficient learning spaces while supporting independent student access to classroom resources. Its modular design also makes it suitable for everything from single classrooms to large makerspaces and collaborative learning environments.

Key Features

• Includes 28 shallow and 7 deep translucent storage trays for organizing a wide variety of classroom materials.
• Compact vertical design maximizes storage while minimizing floor space.
• Heavy-duty steel frame supports up to 250 kg of distributed load.
• StopSafe runners help prevent trays from being accidentally removed during everyday classroom use.
• Modular Callero system allows additional units to be added as storage needs grow.
• Smooth-edged frame design enhances safety in student learning environments.

Classroom Applications

• Organize robotics, engineering, and STEM project components.
• Store maker tools, electronics, and fabrication supplies.
• Create accessible classroom resource stations for student materials.
• Manage art, science, and cross-curricular learning resources.