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

The Gratnells Callero Tall Maker Starter Unit is a high-capacity classroom storage solution designed to keep STEM resources, maker materials, tools, and learning supplies organized and easy to access. Featuring 28 shallow trays and 7 deep trays in a durable silver steel frame, it helps educators maximize storage while maintaining a clean, efficient learning environment. Its compact footprint makes it ideal for classrooms, makerspaces, libraries, and innovation labs where space and organization are equally important.

Why Educators Use It

STEM classrooms require storage that supports hands-on learning without creating clutter. The modular Callero system allows schools to organize equipment, consumables, robotics components, engineering materials, and classroom resources in one accessible location while promoting student independence and safer classroom workflows.

Key Features

• Includes 28 shallow trays and 7 deep Flame Red trays for flexible classroom organization.
• Compact tall frame maximizes vertical storage while minimizing floor space.
• Heavy-duty steel frame supports up to 250 kg for demanding educational environments.
• StopSafe runners help prevent trays from being accidentally removed, improving classroom safety.
• Durable polypropylene trays are easy to clean and designed for daily school use.
• Modular Callero system can be expanded with additional frames to create custom storage layouts.

Classroom Applications

• Organize robotics kits, engineering tools, and STEM supplies.
• Store maker materials for design, fabrication, and prototyping activities.
• Create centralized classroom resource stations for student access.
• Support makerspaces, libraries, innovation labs, and collaborative learning environments.