Cranberries have to bounce 4 inches to be used.
make sure when bouncing the egg to bounce it from at least a few inches
it is 4 inches
about 45 to 59 inches high
About 40 to 44 inches.
A racquetball will bounce higher. A racquetball is required to be able to bounce 68 to 72 inches from a 100 inch drop at an outside temperature of 70 to 74 degrees Fahrenheit. A tennis ball will only rebound 46 to 52 inches but the USTA doesn't give a drop or temperature requirement.