Gratnells Callero Custom Tall Pick Store Starter Unit with 21 Deep Sunshine Yellow Trays

The Gratnells Callero Custom Tall Pick Store Starter Unit provides high-capacity classroom storage in a compact footprint, making it ideal for STEM labs, makerspaces, classrooms, and resource centers. Supplied with 21 deep Sunshine Yellow trays, this modular starter frame helps educators organize equipment, project materials, and learning resources while keeping them easily accessible.

Designed specifically for education environments, the Callero system combines durable steel construction with antimicrobial Gratnells trays and safety-focused features to create an organized, flexible learning space that can expand as storage needs grow.

Why Educators Use It

Schools and STEM programs rely on modular storage that can adapt alongside evolving curriculum needs. The Callero Custom system allows educators to build organized storage walls, makerspaces, and classroom resource centers while maximizing valuable floor space and maintaining a safe environment for students.

Key Features

• Includes 21 deep Sunshine Yellow Gratnells trays for storing larger classroom supplies and STEM materials.
• Modular starter unit designed to expand with additional Callero Custom frames.
• Compact 16.9-inch frame depth maximizes storage without occupying excessive classroom space.
• Heavy-duty steel frame supports up to 250 kg with trays rated for up to 5 kg each.
• StopSafe runners help prevent trays from being pulled out too far for improved classroom safety.
• Durable antimicrobial polypropylene trays are built for everyday educational use.

Classroom Applications

• Organize STEM kits, robotics components, and engineering supplies.
• Create expandable classroom storage walls and resource centers.
• Store makerspace tools, consumables, and student project materials.
• Support science labs, libraries, innovation hubs, and shared learning spaces.