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

The Gratnells Callero Plus Treble Cart is a versatile classroom storage solution designed to keep STEM materials, tools, and supplies organized and easy to access. Featuring 16 shallow trays and 4 deep trays in Light Gray, this cart helps educators efficiently store a wide variety of classroom resources while supporting flexible learning environments.

With the option to use either fixed feet or braked casters, the cart can serve as a stationary storage unit or a mobile classroom resource center. The StopSafe runner system helps prevent trays from being accidentally pulled out, making it well suited for busy classrooms, makerspaces, libraries, and STEM labs.

Why Educators Use It

Teachers and STEM coordinators need storage that adapts to changing classroom activities while keeping supplies organized and accessible. The combination of shallow and deep trays makes it easy to separate small components from larger equipment, helping students locate materials quickly and keeping learning spaces organized throughout the day.

Key Features

• Includes 16 shallow trays and 4 deep Light Gray trays for flexible storage.
• Treble-width design provides high-capacity organization in a compact footprint.
• Can be configured with fixed feet or locking casters for stationary or mobile use.
• StopSafe runner system helps keep trays securely in place during everyday classroom use.
• Durable silver metal frame designed for educational environments.
• Ideal for organizing STEM materials, classroom supplies, lab equipment, and maker resources.

Classroom Applications

• Organize robotics, engineering, and makerspace materials.
• Store science lab tools, manipulatives, and classroom supplies.
• Create mobile supply stations for collaborative STEM activities.
• Support flexible learning spaces in classrooms, libraries, and innovation labs.