According to Feng shui, Three -Legged Frog is considered to be most lucky..
It usually has one or three coins in its mouth...the placement of Three -Legged Frog is very important...It should be placed near your main dooron the inside and it should lok inward as if it has just entered your housewith money...
never place facing outward
Never place frogs inside the kitchen or toilet as it invite bad luck