Gratnells Callero Plus Treble Cart with 12 Deep Cyan Blue Trays

The Gratnells Callero Plus Treble Cart is a high-capacity classroom storage solution designed to keep STEM materials organized, accessible, and easy to transport throughout the learning environment. Featuring 12 deep cyan blue trays and a durable steel frame, it provides flexible storage for everything from robotics components and science equipment to classroom supplies and maker materials.

Designed for active educational spaces, the cart rolls smoothly between classrooms, labs, libraries, and makerspaces while maintaining a compact footprint. The spacious top surface also provides a convenient workspace for demonstrations, lesson materials, or collaborative activities.

Why Educators Use It

The Callero Plus Treble Cart helps educators create organized, efficient learning environments where materials are always within reach. Its large storage capacity, smooth mobility, and safety-focused design make it an excellent choice for STEM classrooms, project-based learning, makerspaces, and shared instructional spaces.

Key Features

• Includes 12 deep cyan blue polypropylene trays for storing larger classroom materials and equipment.
• Heavy-duty steel frame supports up to 250 kg with a 5 kg capacity per tray.
• StopSafe runner system helps prevent trays from being pulled out too far for safer classroom use.
• Supplied with both feet and braked casters for either stationary or mobile installation.
• Large ergonomic handles allow smooth one-handed movement between learning spaces.
• Compact treble-width design maximizes storage while minimizing floor space.

Classroom Applications

• Organize robotics, engineering, coding, and maker project materials.
• Store science lab equipment and reusable classroom resources.
• Create mobile supply stations for collaborative STEM activities.
• Support makerspaces, media centers, innovation labs, and shared learning environments.