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Construct more than 175 mind blowing circuitry missions with more than 55 colorful circuit parts. You will enjoy a thoroughly instructional familiarization with the construction of amazingly functioning circuitry, gadgets and even fiber optics with the Cool Circuit Kids Adventure. You can even connect your smartphone to see just how your device works in reaction to your latest adventure! Just keep the long manual by your side as you continue for the best ideas and guides.