Problem Definition.

Design a semi-automatic gaming machine which is able to aim and hit the target providing 30 seconds of time limit per person. The player would win points based on how efficient they are with the game. The machine should not occupy space more than 1x2 feet and the budget to built it should not be exceed Rs.4000 The projectile must be made of paper(paper ball) and must be run on electricity. The machine would finally display the score of the player.