Bits and Pieces - There's a Trick To Saving - Collectible Cast Iron Mechanical Bank - Watch the Dog Jump Through the Hoop to Deposit Your Money Hand Made Mechanical Bank makes saving fun for kids and adults. Made of heavy-duty solid cast-iron. This bank measures 7-1/4" long x 2-1/4" wide x 6-1/2" tall. Hand Painted. Ideal desktop collectible.