Gratnells Callero Plus Treble Cart with 24 Grass Green Shallow Trays – Silver Frame

The Gratnells Callero Plus Treble Cart provides flexible, high-capacity classroom storage for STEM supplies, manipulatives, robotics components, art materials, and everyday learning resources. Featuring a durable silver steel frame and 24 grass green shallow trays, it helps educators keep materials organized, accessible, and ready for instruction while offering the flexibility of either mobile or stationary use.

Designed specifically for active learning environments, the Callero Plus Treble Cart maximizes storage capacity without taking up excessive floor space. Smooth-rolling braked casters, ergonomic handles, and StopSafe runners create a safe, easy-to-use storage solution that supports independent student access and efficient classroom management.

Why Educators Use It

Schools, makerspaces, STEM labs, and libraries rely on the Callero Plus system to organize instructional materials while keeping classrooms flexible and efficient. The high-capacity design allows teachers to prepare, store, transport, and distribute lesson materials quickly, helping maximize instructional time and maintain organized learning environments.

Key Features

• Includes 24 Gratnells shallow grass green storage trays.
• Durable silver steel frame supports up to 250 kg total load capacity.
• Each tray supports up to 5 kg of classroom materials.
• StopSafe runners help prevent trays from being pulled out too far for added safety.
• Supplied with both feet and braked casters for stationary or mobile configurations.
• Large ergonomic handles and smooth-rolling casters make transport easy throughout the classroom.

Classroom Applications

• Organize STEM kits, robotics parts, engineering supplies, and science materials.
• Store classroom manipulatives, math resources, and maker tools.
• Create mobile supply stations for collaborative and project-based learning.
• Support makerspaces, libraries, innovation labs, and flexible learning environments.