Aligator movement controlled by a external object

Job ID: 32843734

Budget: $250 – $750 USD

A robotic alligator (Image 1, Image 2) comes from specified location eg. corner of room and alligator catches a Human feet (Image 3);
A motor sensor controlled external object (say picture of Alien) come down 45 degree from another corner of room (Image 4)
When the robotic alligator sees the external Alien object, it releases the Human feet and goes back to its original location from where it started (Image 5)
Related categories: Robotics