Now you can add more build possibilities to your Meccanoid with the exclusive Expansion Pack. The Meccano Meccanoid Personal Robot uses advanced technology to deliver realistic movement to its arms head and feet. Now you can add even more articulation your Meccanoid with the exclusive Expansion Pack. The Pack includes a Smart Servo Motor to add extra movement and agility to your Meccanoid. Make his arms more flexible or even add a movable mouth to Meccanoid, it's all up to you and your imagination! The Pack includes all the necessary parts to make adding your Servo easy.