Bubbler Project[an error occurred while processing this directive]This long, multi-jointed, tentacle-like robot arm wraps around behind itself, dips its wand (which is shown at lower right) into a bowl of bubble solution and with gentle acceleration sweeps out a pair of large bubbles. The arm then continues around until it has reached behind itself on the other side, then dips and sweeps again in the other direction.
It is difficult for a human to make such consistent bubbles. The wand is made from soft wire available at craft stores or florist shops, and the inexpensive bubble solution is found at toy stores. Get the "giant bubble" solution if there are different kinds. 
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