88004 Feature: Waterproof and dustproof IP68 connection socket. Shockproof, weatherproof. Can be used horizontally and vertically as an external junction box to include electrical connections around your home and around your property. For stopping outdoor lights and lanterns. Just to be heard. Permanently in use. Specification: Brand new Material: plastic Size: approx. 55*25mm Fine workmanship. Easy to use. Durable in use. Compatible with for 88004 technology series building blocks 8883 Specification: Name:M Motor 8883 Electric Assembled Building Block Toy Accessories Model:A04523 Product Description Material: Plastic Color: gray Size: 5x2.5x2.5cm Speed: high speed Torque: low Features: High quality plastic, long service life and durable High speed and strong power Stable Application: Compatible For 8883 Motor Technology Series Mechanical Group 88003 Feature: Waterproof and dustproof IP68 connection socket. Shockproof, weatherproof. Can be used horizontally and vertically as an external junction box to include electrical connections around your home and around your property. For stopping outdoor lights and lanterns. Just to be heard. Permanently in use. Specification: Brand new Material: plastic Size: approx. 55*25mm Fine workmanship. Easy to use. Durable in use. Compatible with for 88003 technology series building blocks 8882 Material: Plastic Speed: up to 300RPM Torque: up to 50Ncm Delivery content: 4 x Motor (88004+8883+88003+8882)