Gratnells Callero Plus Treble Cart with 24 Shallow Cyan Blue Trays – Silver

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 24 shallow cyan blue trays in a durable silver steel frame, this mobile cart helps educators efficiently manage classroom resources while maximizing storage in a compact footprint.

With smooth-rolling braked casters, ergonomic handles, and StopSafe runners, the cart supports safe daily use in busy classrooms, makerspaces, libraries, and STEM labs. Its spacious top surface also provides a convenient workspace for demonstrations, instructional materials, or collaborative activities.

Why Educators Use It

Teachers and STEM coordinators rely on the Callero Plus Treble Cart to organize classroom supplies, engineering components, robotics kits, science materials, and maker resources. The combination of high-capacity storage, mobility, and student-friendly access helps create flexible learning environments where materials stay organized and readily available.

Key Features

• Includes 24 standard shallow cyan blue trays for organized classroom storage.
• Treble-width silver steel frame provides approximately 33% more storage than standard trolley designs.
• StopSafe runners help prevent trays from being accidentally pulled completely out.
• Large braked casters and ergonomic handles allow smooth one-handed movement between learning spaces.
• Can be configured for either mobile or stationary use with included feet and casters.
• Durable steel frame and polypropylene trays support everyday educational use with a 250 kg frame capacity.

Classroom Applications

• Store robotics, engineering, and STEM project materials.
• Organize classroom supplies by subject, team, or activity.
• Create mobile maker carts for flexible learning environments.
• Support science labs, libraries, innovation spaces, and media centers.