Under Construction is an interesting puzzle game for free. There are empty blox for you to put some materials within them, mind the most proper position to fit them together into the slot. Under Construction is a strategy and board game, available on nowstat.com, for your spare time relaxing and entertainment. Press LMB to select. LMB or SPACEBAR to ROTATE. Press LMB to place piece on grid. Change pieces by dropping in bin. Use POWER UP tools to fill in gaps and knock new holes. Good luck!