Flashing led pencil case project kit classpack light stitches flower class the light stitches flower led pencil case kit flashing classpack of 30 is a ks3 textile and electronics project that uses smart textiles and electronic components to create a flashing led pencil case br br the flower pencil cases are made from felt and adhesive backed felt using the latest breakthrough in smart textiles a conductive thread that looks and behaves like conventional thread is used with electronic