A motorized Christmas Santa Sleigh to wish you Merry Christmas !
A module of great ball contraption using scotck yoke system to up the balls and a spiral slide end.
A simple GBC (Great Ball Contraption) module to know the speed of a line of GBB.
A Lego Vertical Ball Clock, featured hours and minutes, powered by a motor and regulate by balls.
A new small mechanical loom which weaves fabric using 6 reels, faster and more reliable than the previous one, including a many asked computing renderer building instructions !
A congreve clock with hour, minute and second hands, powered by a lego windup motor, featured a ring bell and a oscillating path.
A kinetic clock powered by a motor based on moving parts to display time.