Crystal Set Radio Lab. Non soldering. Brand new. Requires no external power except for aerial as supplied. Non soldering Full instructions on A4 booklet Components, wood board and high impedance earpiece supplied. Impedance matcher to maximise the signal strength Tried and tested design. Guaranteed to operate. Machine pre wound coils Dial legends supplied There is still something magical about the crystal set receiving stations but without external power. With some designs this can mean receiving radio signals that are barely audible. Faithful to the 1950s style, this design includes an impedance matcher adjuster to improve detection and maximise the signal strength. Suitable for the radio enthusiast or to develop project skills, it's brand new and comes complete with components, tuner, fixtures, plywood board to mount everything on securely and generous instructions in a font size of 12 making it simple to construct. The coils are supplied with the kit pre wound meaning you don't have to wind them. Remember, it requires no cells since it is powered by the 10 metre nominal aerial wire supplied. it Is sensitive enough to bring in 3 to 4 stations at audible volume. More with an earthing connection as supplied. A pleasure to construct with a vintage look that captures a by gone era. Components are supplied in new polythene component bags. Price includes postage in mainland UK. Returns accepted but only if kit has not been used. Please send in the condition they arrived.