Snap Circuits Pro Telegraph Mosquito Sound 1 2 and 3 and touch controlled mosquito

Snap 303 Kits Telegraph Mosquito Sound I II III and IVПодробнее

snap circuits custom project 3: eletronic motorbikeПодробнее

Snap Circuits Pro | Project 349: Mosquito Sound (II)Подробнее

Laser Telegraph TestПодробнее

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