Navy Battle Ship Aircrafted Carrier Compatible Legoed ruiser Military Submarine Naval Destroyer Warship Model Building Block Toy Color:XMJ-0699-N Mounting Holes Dimension: 20mm x

Mounting Holes Dimension: 20mm x 20mm

Power out: DC 5V @ Max 250mA

here has some else good quality robot servo

Wheel Width: 26mm(1

Navy Battle Ship Aircrafted Carrier Compatible Legoed ruiser Military Submarine Naval Destroyer Warship Model Building Block Toy Color:XMJ-0699-N Mounting Holes Dimension: 20mm xMaterial: Safe Plastic ABS Type: Small Paricle Blocks Compatibility: compateble with brand blocks Feature: Excite chilren's promote imagination,developing intelligence Exercising Kids's ability of using hands and brain Develop Children's hand and eye coordination as well as his fine motor skills Attentions: The blocks is small paricle blocks,not suitable funder 6 years Package: Without Box