Gratnells Callero Custom Low Level 16 Shallow & 4 Deep Tray Starter Unit – Silver Frame with Sunshine Yellow Trays

The Gratnells Callero Custom Low Level Starter Unit provides high-capacity classroom storage in a compact footprint. Featuring 16 shallow trays and 4 deep trays, it helps educators organize a wide variety of STEM materials, classroom supplies, robotics components, and hands-on learning resources while keeping them easily accessible.

Designed for modern learning environments, the low-profile frame supports safe student access and flexible classroom layouts. Its modular design allows schools to expand storage as programs grow, making it an excellent long-term solution for classrooms, libraries, innovation spaces, and makerspaces.

Why Educators Use It

Keeping learning materials organized helps maximize instructional time and encourages student independence. The combination of shallow and deep trays supports efficient storage of everything from small science tools to larger project materials, while the durable steel frame is built for daily educational use.

Key Features

• Includes 16 shallow trays and 4 deep trays for flexible classroom organization.
• Compact low-level design fits beneath displays, windows, and collaborative workspaces.
• Durable steel frame supports up to 250 kg for demanding school environments.
• StopSafe runners help prevent trays from being fully removed, improving classroom safety.
• Modular Callero Custom system expands easily as storage needs grow.
• Smooth, rounded frame design enhances safety in student learning spaces.

Classroom Applications

• Organize STEM kits, robotics parts, engineering supplies, and science materials.
• Store classroom manipulatives and project resources by subject or grade level.
• Create accessible storage stations in makerspaces and innovation labs.
• Support collaborative learning by keeping materials visible and within student reach.