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An apple that defies gravity and walks a tightrope — what would Isaac Newton have thought? Build a cute apple robot that walks along a tightrope. H...

As a detective, you always need the right tools when you are on the hunt for evidence. Grab the Pocket Metal Detector when you are looking for meta...

As a detective, you always need the right tools when you are on the hunt for evidence or reading secret messages. Ultraviolet light helps you uncov...