Trick or treat! Get your Birch Robot clock ready for Halloween with these bat wings. 

• Easy to Attach and Remove: Each accessory is designed to clip-on or remove in seconds. 
• Switch Accessories with other Clocks: See the clock compatibility section below to see which clocks are compatible. 
• What's it made from? Just like our clocks, they're made from baltic birch plywood and printed with non-toxic ink.