"I came to browse the Internet and build robots. And I am done browsing the Internet". Many different approaches, principles and directions to constructing robots with detailed building instructions and pictures.
Building instructions for a Robot Grabber used in the World Robotics Olympiad competition runs. The grabber is build with LEGO Mindstorms EV3. The base of the robot is available at /materials/69-wro-robot-2014-elementary
Building instructions for a robot for the World Robotics Olympiad Sputnik competition. This is the light version without the lift at the top.
Building instructions for a LEGO Mindstorms EV3 Ambulance Robot Attachment for the FIRST LEGO League 2013 Nature's Fury robotics competition. The attachment grabs the ambulance car and slightly lifts it. The rubber bands help with triggering the attachment at the right time
Oh no, the delivery is running late! Don't worry, this warehouse robot made to hold and drag objects is here to help! It uses two medium motors to move around and one for a grabber. The grabber, which is at the front of the robot, consists of two double angular lift-arms that are each connected to a gear.