Look for used tennis ball machines on eBay and Amazon.com as of 2015. These sites also offer accessories for tennis ball machines, such as wireless remote controls or storage covers.
Low- to mid-priced tennis ball machine models include Lobster and Wilson, with prices ranging from a few hundred to over $1,000, as of 2015. Standard tennis ball machines can cost anywhere from $1,500 to $6,000, dependin...
Some brands of tennis ball machines for dogs include Hyper, GoDogGo and iFetch. The Hyper dog ball launcher shoots balls up to 220 feet and comes with four tennis balls. It does not does not require assembly.
Find used tennis machines online at alibaba.com, ebay.com and sportstutor.com as of 2015. You can also find tennis machines in your area by checking the classified listings of your local newspaper, searching your local C...
The official diameter of a tennis ball according to the International Tennis Federation must be between 2.575 and 2.7 inches. Tennis balls are sold in cylinders containing three per package.
Different surfaces provide varying degrees of friction or sliding force, which may affect the bounce of a tennis ball. The amount of friction that the tennis ball experiences depends largely on the coefficient of frictio...
The Lobster Elite 3, SAM Model P4, Tennis Tower and Wilson Ball Machine are all highly rated, affordable tennis ball machines. The Lobster Elite 3 and Wilson Ball Machine are battery operated, while the Tennis Tower runs...