COLORS! numbers to change size of brick. 1,2,3,4,6,8. Arrows to rotate click to place or if brake mode is on, break MOAR COLORS color codes, L to search R-red O-orange Y-yellow G-green Blu-blue P-purple Bla-black W-white Controls C-toggle glass X to reset S to stop an look Space to change backround A/D to swap colors B to toggle Build/Break Uses clones, not pen