Counterwheel

Balance puzzle: cancel equal pulls, catch falling iron, set off chains.

Keep the wheel level. Cancel the pull.Counterwheel is a calm, clever balance puzzle. Each turn you place the next brass weight on a two-ring wheel. The number on a weight is its pull — the outer ring doubles it. Put two equal numbers on opposite spokes and they cancel and vanish. Let the needle drift past the green disc and the wheel tips.CATCH THE IRONEvery few turns an iron weight drops on a marked spot. Set its t…