Thursday, March 5, 2009


The Amazing Acrobat Toy
The Metaphor – tumbling circus performers, the action of the toy reflects the action of an acrobat.
User Group – 4-6, very simple action, no small pieces
Interface – handle/knob
Affordance – the handle affords turning in two directions, forward and backward.
Visibility – the toy hangs motionless before interaction begins and after it ends. During interaction, the acrobats are in noticeable motion which proceeds downwards. If interaction occurs in a cycle, the visible motion would begin at the top, flowing to the bottom, but would cascade on alternate sides making a continuous pattern.
Feedback – the toy offers visual, audible, and tactile feedback. Visual motion occurs when the interaction occurs, the falling action creates some noise (if the prototype was made of wood, audio feedback would be louder and stronger), and you can feel the weight shifting as the toy is operated.
Constraints – is the handle is rotated in the wrong direction nothing will happen, signalling to turn it the other way. However, it is easy correct and figure out the constraints.
User Scenario – Juliana is 5 years old and just got a new toy. She is fascinated by the amazing acrobats as they perform a tumbling trick. The toy is easy for her to use, activated by simple turning motion. She sees the handle and knows to grab it, the two way arrows on the handle knob would help her realize that she can turn in two directions. By turning the handle towards or away from her, Juliana can activate the acrobats and watch as they leap down and over each other. Since the toy does not need to be reset she can enjoy endless acrobat action without assistance from mom or dad. Juliana is quite amused with the fun optical illusion, there are no small parts to lose, and enjoys being able to play without help.

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