Gratnells Callero Custom Tall Flexi Store Adder Unit with 16 Shallow, 8 Deep & 4 Jumbo Trays – Sunshine Yellow

The Gratnells Callero Custom Tall Flexi Store Adder Unit provides flexible, high-capacity classroom storage for STEM learning environments, makerspaces, libraries, and resource rooms. Featuring a combination of shallow, deep, and jumbo trays, it helps educators organize everything from small components to larger classroom materials while maximizing vertical storage space. Its modular design allows schools to expand storage systems as classroom needs evolve.

Why Educators Use It

Designed for busy educational environments, this storage unit supports organized, efficient learning by keeping teaching materials visible, accessible, and easy to manage. The mixed tray configuration is ideal for STEM classrooms where supplies range from small electronics and engineering parts to larger science equipment and project materials.

Key Features

• Includes 16 shallow, 8 deep, and 4 jumbo trays for versatile classroom organization.
• Tall modular adder unit expands existing Callero Custom storage systems.
• Compact footprint maximizes storage while conserving valuable classroom space.
• Durable steel frame with antimicrobial polypropylene trays built for everyday school use.
• StopSafe runners help prevent trays from being pulled out too far, improving classroom safety.
• Supports up to 250 kg frame capacity with trays rated for up to 5 kg each.

Classroom Applications

• Organize robotics kits, engineering supplies, and coding equipment.
• Store science lab materials and classroom manipulatives.
• Create flexible storage for makerspaces and innovation labs.
• Manage shared classroom resources in libraries and resource centers.