How to play Bicycle Structure Puzzle.
Assemble the bicycle. There are 28 bicycle parts, situated around the outlined bicycle sketch.
Drag and drop them in the approximate location in the outlined bicycle down of the screen.
A small information window will show the name of the selected part.
Upon completion, new Knowledge Level is achieved.
Know the basic bicycle parts and where they are situated.
Winning the game rewards +1 Knowledge Level
The download version(bottom of the page) include an executable file for Windows OS with local levels only.
Here is a gameplay movie on YouTube.