I like the concept and some of the puzzle ideas — it reminded me of Machinarium, great game
The color-switching mechanic is cool, never seen before (really, i am a novice at gamejams and developing games also)
I’m not sure whether the inventory being limited to one item was intentional. I got a little stuck at the beginning and ended up running back and forth — first picking up the brick, then the handle, and then the brick again xD