The design is certainly great and looks like a Dishwasher rather than a brainwasher but the white is needless and imo you could add some sort of challenge like at least grouping in pairs the blocks and adding, where possible, a white target.
The design is certainly great and looks like a Dishwasher rather than a brainwasher but the white is needless and imo you could add some sort of challenge like at least grouping in pairs the blocks and adding, where possible, a white target.