In the past few months, we have covered plenty of powerful educational and research robots here. The Pickerbot Mini is also worth a look. It is a mobile pick & drop robots with mecanum wheels. It is based on ROS and has a 3-axis robot arm, soft gripper, LiDAR, and an IMU controller.
This robot comes preloaded with Ubuntu. It is ready for AR label recognition, visual line tracking, obstacle avoidance, visual mapping, and SLAM navigation. It is also ready for deep learning for target detection, gesture recognition, and more advanced projects. The Pickerbot Mini can be controlled with an iOS or Android device.[where to get it]