Tell us about yourself!
DIY Ball Launcher (Updated Version)
Catapult on the microcontroller
Looks to me like you hot glue it to connect the fingers to the arm tube.
Solo Cup Speakers
DIY functional Sonic Screwdriver
Pocket Sized Robot Arm MeArm V0.4
Electric Vacuum Pen From Aquarium Air Pump.
Converting an Inkjet Printer to Print PCBs