Gratnells Callero Tall Maker Store Adder Unit with 12 Shallow & 15 Deep Kiwi Antimicrobial Trays

The Gratnells Callero Tall Maker Store Adder Unit provides high-capacity classroom storage designed to keep STEM resources organized, accessible, and ready for daily learning. Featuring 12 shallow and 15 deep Kiwi antimicrobial trays within a durable silver steel frame, this modular storage unit helps maximize storage while using minimal floor space.

Ideal for expanding existing Callero Custom storage systems, the adder unit creates an organized environment where students and educators can easily access tools, supplies, robotics components, science materials, and maker resources.

Why Educators Use It

Schools, makerspaces, libraries, and STEM labs rely on flexible storage solutions that can grow alongside changing classroom needs. The Callero Custom system supports organized, student-friendly learning spaces while antimicrobial trays and built-in safety features help create a cleaner and safer educational environment.

Key Features

• Includes 12 shallow and 15 deep Kiwi antimicrobial Gratnells trays for versatile storage.
• Modular adder unit expands existing Callero Custom classroom storage systems.
• Compact footprint provides high-density storage without sacrificing valuable classroom space.
• StopSafe runners help prevent trays from being accidentally removed for improved classroom safety.
• Rounded frame design minimizes sharp edges for student-friendly learning environments.
• Heavy-duty steel frame supports up to 250 kg with trays rated for up to 5 kg each.

Classroom Applications

• Organize robotics, engineering, and maker supplies.
• Store STEM kits, electronics, and classroom resources.
• Create expandable storage walls for makerspaces and innovation labs.
• Support independent student access to learning materials.