If the racket does not touch the floor, it is probably the right size. However, if the racket touches the ground, it is probably too big, and if it is far from the ground, it is probably too small. HEAD Coco Junior Tennis Racket.
HEAD Coco 25 Tennis Racket, Mint, 8-10 Years
HEAD Coco 17 Tennis Racket, Mint, 2-3 Years
HEAD Coco 21 Tennis Racket, Mint, 4-6 Years
HEAD Coco 23 Tennis Racket, Mint, 6-8 Years
Head Coco 23 Inch Junior Aluminium Tennis Racket - Teal
New Balance Women's Coco Cg2 Tennis Shoe, Melon Water/New Spruce/Gum, 9.5 Wide