The 88000 AAA Battery Box delivers reliable power supply for robotics cars, train models and technical creations. Fully compatible with for legoeds and major building block systems, it serves as the core power module for advanced STEM projects.Universal Compatibility: Seamless integration with for legoeds and mainstream building blocksHigh-Capacity Power: Supports 6xAA batteries for extended operationModular Design: Effortless installation in robot/train frameworksIndustrial Durability: Fire- ABS passed 1000+ connection testsModel: 88000 Power ModulePower Input: 6xAA batteries (not included)Interface: Standard building block connectorDimensions: 6.5x3.2x4cmColor:GreyMaterial:ABS+PC Engineering Composite MaterialsPackage Contents:2 * for legoeds Train battery boxOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.