Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Cuckoo Music Box Chain Gear by PERRIN Sale $30.20 | / SKU 74-8774 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available Cuckoo Music Box Chain Gear is a chain gear without click for a music unit drive shaft.