Gratnells Callero Custom Low Level 12 Deep Tray Starter Unit – Silver Frame with Sunshine Yellow Trays

The Gratnells Callero Custom Low Level 12 Deep Tray Starter Unit provides flexible, high-capacity classroom storage in a compact footprint. Featuring twelve deep trays within a durable silver steel frame, it helps educators organize STEM materials, maker supplies, robotics components, and classroom resources while keeping them easily accessible. Its low-profile design also creates an accessible workspace suitable for learners of all ages.

Why Educators Use It

Designed for modern learning environments, this modular storage unit supports organized, student-centered classrooms where materials are easy to access and return. Its expandable design makes it ideal for STEM labs, makerspaces, libraries, technology classrooms, and collaborative learning environments that evolve over time.

Key Features

• Includes 12 deep trays for storing larger classroom materials and equipment.
• Compact low-profile frame maximizes storage while conserving valuable floor space.
• Modular starter unit can be expanded with additional Callero Custom frames.
• StopSafe runners help prevent trays from being fully removed for improved classroom safety.
• Durable steel frame with polypropylene trays designed for daily educational use.
• Supports up to 250 kg total frame capacity with individual tray capacity up to 5 kg.

Classroom Applications

• Store robotics kits, engineering supplies, and STEM project materials.
• Organize maker tools, art resources, and classroom manipulatives.
• Create accessible student supply stations for collaborative learning.
• Build expandable storage systems for classrooms, libraries, and innovation spaces.