Gratnells Callero Plus Treble Cart with 24 Shallow Trays – Silver Frame, Tropical Orange

The Gratnells Callero Plus Treble Cart with 24 shallow trays is a high-capacity classroom storage solution designed to keep STEM materials organized, accessible, and easy to transport. Its lightweight steel frame, smooth mobility, and generous storage capacity make it ideal for classrooms, makerspaces, libraries, and innovation labs where resources need to move with instruction.

Featuring 24 Tropical Orange shallow trays, this cart helps educators organize hands-on learning materials while maximizing storage within a compact footprint. The large work surface, ergonomic handles, and StopSafe runner system make it easy to support active learning while promoting safe, independent student access.

Why Educators Use It

Busy STEM classrooms require storage that adapts to changing lessons and collaborative activities. The Callero Plus Treble Cart allows teachers to prepare, organize, and transport instructional materials efficiently while keeping supplies visible, secure, and within easy reach throughout the school day.

Key Features

• Includes 24 shallow Tropical Orange trays for organizing classroom supplies and STEM materials.
• Treble-width design provides approximately 33% more storage than standard trolley configurations.
• Lightweight steel frame with ergonomic handles allows smooth one-handed movement.
• StopSafe runner system helps prevent trays from being accidentally removed.
• Supplied with both feet and braked casters for either stationary or mobile use.
• Durable steel frame and polypropylene trays designed for everyday educational environments.

Classroom Applications

• Store robotics, engineering, and maker project components.
• Organize classroom supplies by subject, group, or activity.
• Create mobile STEM resource stations for flexible learning spaces.
• Support makerspaces, science labs, libraries, and innovation centers.