Introduce lighting effects to textiles designs with this kit and demonstrate electricity in a fun and creative way. Soldering is not required instead conductive thread is used to connect the battery and LEDs.The kit includes:2M of conductive thread (which is a thread that can be used like cotton thread but conducts electricity like a wire)Our own custom designed Sewable Coin Cell HolderOne coin 3V cell batteryTwo ultra slim pre-mounted easy sew E-Textile LEDs.Please note that the product is not washable/dry cleanable and can be used on textile applications which are ornamental not intended to be washed/dry cleaned. Alternatively use on removable textile appliques for garments/soft furnishings/fashion accessories. The Electro Fashion E-Textiles Kit can also be purchased as a Class Pack of 10 (B8R05753).