Gratnells Callero Plus Treble Cart with 12 Deep Light Gray Trays

The Gratnells Callero Plus Treble Cart is a high-capacity classroom storage solution designed to keep STEM materials, tools, and learning resources organized and accessible. Featuring 12 deep light gray trays within a durable steel frame, it provides flexible storage for busy classrooms, makerspaces, science labs, and collaborative learning environments. Choose between mobile or static use with the included braked casters and feet.

Why Educators Use It

Teachers and STEM coordinators rely on the Callero Plus Treble Cart to simplify classroom organization while keeping materials within easy reach. Its generous storage capacity, smooth mobility, and safety-focused design help support efficient lesson preparation, student independence, and flexible learning spaces.

Key Features

• Includes 12 deep light gray polypropylene trays for high-capacity storage.
• Treble-width steel frame maximizes storage while minimizing floor space.
• Can be configured as a mobile cart with braked casters or a stationary unit with feet.
• StopSafe runner system helps prevent trays from being accidentally pulled out completely.
• Large, smooth-rolling casters allow easy one-person movement between classrooms.
• Durable top surface provides additional workspace for demonstrations or instructional materials.

Classroom Applications

• Organize STEM kits, robotics components, and engineering supplies.
• Store classroom science equipment and laboratory materials.
• Create mobile makerspace or project supply stations.
• Manage shared resources in libraries, innovation labs, and collaborative learning environments.