Gratnells Callero Plus Treble Cart with 24 Light Gray Shallow Trays

The Gratnells Callero Plus Treble Cart with 24 Light Gray Shallow Trays is a versatile classroom storage solution designed to keep STEM materials organized, accessible, and ready for instruction. Its spacious three-column design provides high-capacity storage while maintaining a compact footprint, making it ideal for classrooms, makerspaces, libraries, and science labs.

Built for everyday educational environments, the cart can be used as either a stationary storage unit or a mobile resource center. Smooth-rolling locking casters, ergonomic handles, and a durable steel frame allow teachers to easily transport learning materials wherever they are needed.

Why Educators Use It

Educators rely on the Callero Plus Treble Cart to organize classroom supplies, STEM kits, robotics components, and instructional resources while improving accessibility for students. Its mobile design supports flexible learning environments, collaborative instruction, and efficient classroom management across a variety of educational settings.

Key Features

• Includes 24 durable shallow light gray polypropylene storage trays.
• Triple-width design delivers high-capacity storage in a compact footprint.
• StopSafe runner system helps prevent trays from being accidentally pulled out.
• Can be configured with feet for stationary use or locking casters for mobility.
• Strong steel frame supports up to 250 kg with trays rated for 5 kg each.
• Large work surface provides space for demonstrations or temporary project staging.

Classroom Applications

• Organize STEM kits, engineering supplies, and robotics components.
• Create mobile makerspace or science lab storage stations.
• Store shared classroom resources for collaborative learning activities.
• Support flexible classrooms with easily transportable instructional materials.