training aids rawlings 5' x 5' deluxe instant net rawlings pitchback deluxe ball return sklz hit-a-way baseball louisville slugger ball caddy sklz pro tee sklz hurricane 1bx swing trainer oggek pole not included sklz> rawlings rawlings rawlings rawlings rawlings 8u practice ball rawlings 100 game play baseballs rawlings 12u game play baseballs rawlings 140 game play baseballs official league official league official league official league 8u - the balls feature a solid cork and rubber synthetic cover 10u - the high-density solid- cork and rubber cores help promote great pop off the bat the split-grain leather covers with contrast-color stitching enable long-lasting use 12u - the balls feature a wound solid-cork and rubber center with 14u - full-grain leather covers made of composite cork and rubber deliver lasting use stitched seams offer a classic look and are raised up to provide grip designed for ages 14 and under