Colourful, well-balanced 21 inch Zsig Mini Tennis Racket in top quality aluminium. O-beam construction, and weighing approximately 210g strung. Use with sponge balls such as the Protex, or low energy teaching tennis balls such as the Slocoach Big Red. Both Zsig's 19 and 21 inch rackets are designed for the LTA's Red Stage Mini Tennis (ITF Stage 3 Mini Tennis). Choose the 21 inch racket for Age 4 - 6 - or any older starting Red ball player - and the 19 inch Mini Tennis racket for younger children. Colourful, well-balanced 21" Weighs 200g strung O-beam construction aluminium frame Use with sponge balls such as the Protex Low energy teaching tennis balls Sold without headcover Size: 21" - Age 5 - 8