This pack is a great way to add a different kind of switch to your E-Textiles project.Add light to your textiles design with this magnetic switch pack. When the small magnet is placed next to the magnetic switch, the LEDs will light.Features Everything you need to complete one project. Great project ideas and tutorials. Magnetic switch to control the LEDs. Full instructions for assembly.Contents 1 x Coin Cell Holder. 2 x Sewable LEDs Blue or White. 1 x Magnetic Switch. 1 x CR2032 Coin Cell Battery. 1 x 6m Conductive Thread.