Bubukas vs. Grizles, a fun mathematical abilities game for kids

Try to collect the maximal count of Bubukas to your Tower, and take the minimal count of Grizles!
There are icecream blocks on the field that contains either good Bubukas or bad Grizles. The count of each Bubukas and Grizles in each icecream block is indicated by the number on the block. Free as many good Bubukas as possible by clicking on a block with the mouse. The blue border around a row or column indicate where you can click. Try to avoid clicking Grizles blocks.