McRuffy Press Sliders - Short and Long Vowels (Book 1)9781592691692 McRuffy Slider (Book 1) Short & Long Vowels contains 72 reproducible sliders featuring words for beginning phonics instruction. Sliders are hands on activities that make drilling phonics concepts fun. A slider consists of a holder and a slide. Part of a word is printed on the holder. A row of letters or groups of letters that completes the word are printed on the slide. The words change as the letters slide past the cutout window on the