The BUNDLE download includes:8 Adding Means Jump To The Right videos [mp4 video files] +1 (1+1=2, 2+1=3, 3+1=4, 4+1=5) +2 (1+2=3, 2+2=4, 3+2=5, 4+2=6) +3 (1+3=4, 2+3=5, 3+3=6, 4+3=7) +4 (1+4=5, 2+4=6, 3+4=7, 4+4=8) 1+ (1+1=2, 1+2=3, 1+3=4, 1+4=5) 2+ (2+1=3, 2+2=4, 2+3=5, 2+4=6) 3+ (3+1=4, 3+2=5, 3+3=6, 3+4=7) 4+ (4+1=5, 4+2=6, 4+3=7, 4+4=8)13 Adding Means Jump To The Right songs [mp3 audio files] +1, +2, +3, +4, 1+, 2+, 3+, 4+ +1 (fill-in-the-blank) +2 (fill-in-the-blank) +3 (fill-in