Gratnells Callero Plus Treble Cart with 16 Shallow & 4 Deep Silver Trays

The Gratnells Callero Plus Treble Cart provides flexible, high-capacity classroom storage for STEM materials, classroom supplies, and maker resources. Featuring 16 shallow trays and 4 deep trays, it helps educators organize a wide variety of equipment while keeping everything accessible and easy to manage.

Designed for busy learning environments, the cart can be configured for either stationary or mobile use with the included feet and locking casters. Its StopSafe runner system helps keep trays securely in place during everyday classroom use.

Why Educators Use It

Schools, makerspaces, libraries, and STEM labs need storage that adapts to changing classroom activities. The combination of shallow and deep trays allows teachers to separate small components from larger materials while supporting organized, efficient learning spaces.

Key Features

• Includes 16 shallow trays and 4 deep trays for versatile classroom organization.
• StopSafe runner system helps keep trays secure during daily use.
• Includes both leveling feet and locking casters for stationary or mobile configurations.
• Durable steel frame with coordinating silver trays and silver metal trim.
• Ideal for storing STEM kits, robotics components, art supplies, and classroom materials.
• Compact footprint fits classrooms, labs, makerspaces, and shared learning environments.

Classroom Applications

• Organize STEM and engineering project materials.
• Store robotics, coding, and electronics components.
• Manage shared classroom supplies by subject or activity.
• Create mobile supply stations for makerspaces and innovation labs.