Gratnells Callero Tall Maker Starter Unit with 28 Shallow & 7 Deep Sunshine Yellow Trays

The Gratnells Callero Tall Maker Starter Unit provides high-capacity classroom storage designed for busy STEM learning environments. Featuring 28 shallow trays and 7 deep trays in Sunshine Yellow, this tall storage system helps teachers organize tools, components, project materials, and classroom resources while maximizing valuable floor space.

Built with a durable steel frame and the trusted Gratnells tray system, this modular storage solution supports organized, student-friendly learning spaces. Its slim footprint, smooth edges, and StopSafe runners make it well suited for classrooms, makerspaces, STEM labs, libraries, and innovation centers.

Why Educators Use It

Effective STEM instruction depends on organized access to materials. The Callero Tall Maker Starter Unit keeps supplies neatly sorted, easy to locate, and readily available, helping teachers reduce setup time while encouraging students to independently access and return classroom resources.

Key Features

• Includes 28 shallow trays and 7 deep Sunshine Yellow Gratnells trays for flexible storage.
• Tall treble-width steel frame provides high-capacity storage in a compact footprint.
• StopSafe runners help prevent trays from being accidentally removed.
• Smooth, rounded frame design enhances safety in student learning environments.
• Supports up to 250 kg total frame load with trays rated for up to 5 kg each.
• Modular Callero system can be expanded as storage needs grow.

Classroom Applications

• Store robotics components, engineering materials, and STEM project supplies.
• Organize maker tools, electronics, and classroom consumables.
• Create efficient resource storage for science labs and innovation spaces.
• Support independent student access during hands-on learning activities.