Gratnells Callero Plus Treble Cart with 12 Deep Royal Blue Trays – Silver Frame

The Gratnells Callero Plus Treble Cart is a high-capacity classroom storage solution designed to organize, transport, and protect STEM learning materials. Featuring 12 deep Royal Blue trays in a durable silver steel frame, this mobile cart keeps supplies easily accessible while maximizing storage in a compact footprint. Large casters and ergonomic handles allow educators to move resources effortlessly between classrooms, labs, and makerspaces.

Why Educators Use It

Ideal for STEM classrooms, makerspaces, science labs, libraries, and collaborative learning environments, the Callero Plus Treble Cart helps teachers organize equipment, prepare lessons in advance, and quickly distribute materials during class. Its durable construction and secure tray system support daily use while helping maintain an organized, efficient learning space.

Key Features

• Includes 12 deep Royal Blue polypropylene storage trays for high-capacity organization.
• Heavy-duty silver steel frame supports loads up to 250 kg.
• StopSafe runner system helps prevent trays from being pulled out too far for added classroom safety.
• Large smooth-rolling casters with included brakes provide stable mobility throughout the classroom.
• Can be configured with casters for mobile use or feet for stationary storage.
• Wide treble-column design provides approximately 33% more storage than standard classroom trolleys.

Classroom Applications

• Store robotics kits, engineering materials, and STEM classroom supplies.
• Organize science lab equipment and consumable materials.
• Create mobile makerspace or project-based learning stations.
• Transport classroom resources between learning spaces with ease.