Product #: SI-AA2 The Sharper Image Digital Coin Jar is a necessity in every car! Automatically counts your coins. Easy to Read Digital LCD Display. Manual. Great design for putting the lighted cigarettes into this ashtray while you are driving. Elegant design fits most car cup holder. Extinguish the butt with lid on, and. The Nadex Coin Car Cup Coin Holder holds up to $15 of change. It holds pennies, nickels, dimes, and quarters and is compatible to fit in any car cup holder.