Head Instinct 21 Junior Tennis Racquet ? Built for Beginners Aged 4+ Start your child?s tennis journey with confidence using the Head Instinct 21 Junior Tennis Racquet. Designed for young beginners aged 4 and older (or 40?44" tall), this racquet features a lightweight aluminum O-Beam construction that makes it easy to handle and swing. With its 21-inch frame and 81 square-inch head, the Instinct 21 offers a comfortable sweet spot and forgiving feel?ideal for developing coordination and technique. Whether it?s their first lesson or backyard rally, this racquet is made to make learning fun and accessible. Why It?s Great for Juniors: Lightweight aluminum O-Beam construction for effortless handling 21-inch frame designed for kids aged 4+ 81 sq. in. head size enhances forgiveness and control Ideal for players between 40?44 inches in height Prestrung and ready to use Specifications: Head Size: 81 sq. in. Length: 21 in. Weight (unstrung): 6.3 oz Balance: 0.5 in Head Light (255 mm) String Pattern: 16x17 Beam Width: 20 mm Grip Size: 000, 0000 Recommended Age: 4+