TTONE DIY Delay Guitar Effects Pedal Kit Analog Guitar's Stompbox Black Portable This is a kit of a electric guitar single effect pedals. NOTE: In order to let buyers experience the fun of assembling, It need you to assemble it by yourselves.If you'e not 100% sure you could make it assembled successfully, please purchase prototypes directly. Making the DIY kits needs basic knowledge of circuit and welding experience, ability to understand circuit diagram and schematic diagram. Beginners might not be 100% successful to make it, please select the DIY kits with reasonable difficulty level based on your own ability. Because such DIY kits are sold with a low price and with low profit, so we won't provide free or paid service, recover or repair for your failure due to error caused of the buyer itself