Optics Relevance Price: Low - High Price: High - Low Alphabetically: A - Z Alphabetically: Z - A Budget Ray Box £25.95 Colour Mixing Kit £87.60 IR Probe £17.42 Laser Stand & Rod £19.11 Modulated Laser Receiver £64.11 Raymond the Raybox £44.86 Red Laser Ray Box (plug top PSU) £44.98 Red Laser Raybox (battery powered) £26.49 Replacement UV Tube £10.49 Semiconductor Laser £229.38 Spare Key (flat) £3.19 Spare Key (round) £3.19 Standard Ray Box - 12 Volt £28.35 Standard Ray Box - 24 Volt £29.99 Ultraviolet Lamp Unit Battery Powered £16.78 Ultraviolet Lamp Unit Mains Powered £36.52