Gratnells Callero Custom Low Level 8 Shallow & 4 Deep Tray Starter Unit – Sunshine Yellow

The Gratnells Callero Custom Low Level Starter Unit provides flexible, high-capacity classroom storage in a compact footprint. Featuring eight shallow trays and four deep trays, it helps educators organize STEM materials, classroom supplies, robotics components, maker resources, and learning tools while keeping everything accessible for students.

Designed specifically for educational environments, the low-profile frame supports independent learning, improves classroom organization, and adapts easily as teaching spaces evolve. Its modular design also allows additional units to be added as storage needs grow.

Why Educators Use It

Teachers, makerspaces, libraries, and STEM labs benefit from organized storage that keeps learning materials visible, accessible, and ready for daily use. The combination of shallow and deep trays accommodates everything from small manipulatives to larger classroom resources while supporting efficient classroom management.

Key Features

• Includes 8 shallow trays and 4 deep trays for versatile classroom organization.
• Compact low-profile design maximizes storage while preserving valuable floor space.
• Durable steel frame supports loads up to 250 kg for demanding educational environments.
• StopSafe runners help prevent trays from being pulled out too far, improving classroom safety.
• Modular Callero Custom system expands easily with additional compatible frames.
• Smooth rounded frame design minimizes sharp edges for student-friendly learning spaces.

Classroom Applications

• Organize STEM kits, robotics parts, engineering supplies, and maker materials.
• Create accessible storage in elementary and secondary classrooms.
• Store library resources, art supplies, and shared classroom equipment.
• Support makerspaces, innovation labs, and collaborative learning environments.