In the interests of making clear the status of the videos posted on this site:
Samwell Clark received the assembled module in his video free of charge.
Zbigniew Mariusz Kowalczyk ("Dziam Bass") received each of the assembled modules in his review videos free of charge.
Quincas Moreira ("Synth Diy Guy") received each of the kits in his review videos free of charge.
Marcin Staniszewski of "Colour My Sound" received each of the assembled modules in his review videos free of charge.
Ben Wilson of "DivKidVideo" received a free assembled Leapfrog VCF and a cash payment for his services in producing the Leapfrog demo video.
Videos bearing the "North Coast Synthesis" intro were produced internally by North Coast Synthesis Ltd.