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

The Gratnells Callero Tall Maker Starter Unit is a high-capacity classroom storage solution designed to keep STEM resources, maker materials, and everyday teaching supplies organized and accessible. Featuring a durable steel frame with 35 removable trays, it helps maximize storage while maintaining a compact footprint. Its modular design makes it ideal for classrooms, makerspaces, libraries, and innovation labs that require flexible organization.

Why Educators Use It

Educational spaces thrive when materials are organized and easy to access. This Callero storage unit supports independent student learning, simplifies classroom management, and provides secure, high-density storage for STEM equipment, robotics components, engineering supplies, art materials, and shared classroom resources.

Key Features

• Includes 28 shallow and 7 deep Jolly Lime trays for versatile storage.
• Tall treble-width steel frame with a compact footprint for efficient classroom organization.
• Supports up to 250 kg total frame load with trays rated for up to 5 kg each.
• StopSafe runners help prevent trays from being fully removed, improving classroom safety.
• Modular Callero system can be expanded with additional frames and storage components.
• Smooth, rounded frame design enhances safety in student learning environments.

Classroom Applications

• Organize STEM kits, robotics parts, and engineering materials.
• Store makerspace tools, consumables, and project supplies.
• Keep classroom resources sorted by subject, grade, or activity.
• Create flexible storage systems in libraries, labs, and innovation spaces.