After month of work, here is my galileo clock, with instructions and set up video !
A small black motorized car, featured non-offset steering, drive, openable bonnet and doors, with german sedan sport car looking.
A switchless pneumatic engine mounted in a steam machine design.
A working lego microscope using a water drop, with dual light with down shutter.
A motorized Lego Crawler Grabber, featured drives with bogie suspension, auto tilting claw and raising and extending boom.
A small Motorized Wheel loader, featured drives, steering, light, lifted and tilted fork.
A mechanical calculator, which is capable to add and substrat, featured carry mechanism, keyboard, overflow mechanism and openable part for set up.