Here is a smart baseball that combines with your phone to let you play all kinds of fun games in your backyard. The Backyard League Playfinity Gaming Baseball measures 9 inches in diameter, weighing 5 ounces. It can detect throws, catches and misses and measures speed, height, airtime, and accuracy.
This baseball is made for kids 6 to 14 years old. Its battery lasts for 40k throws and up to 70 hours. This ball comes with Bluetooth 4.2 connectivity and works with iOS and Android devices. Backyard League offers real-time audio coaching. It has a Bluetooth range of up to 70 yards.