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	Fly is modelled after a fly, a flying insect with two wings. Both feelers are linked with elastic cord inside. When the feelers touch obstacles, the elastic cord is elongated to shadow two IR sensors. At this time, according to programming, left and right wheels move avoiding obstacles. The movements are fun because it moves as if the feelers are sensing objects.   Tower Crane is a large tall machine used by builders for lifting heavy things. This kit helps to learn basics of pulley and torque increase due to gear deceleration.     Flag robot is modelled after a blue and white flag game. It works with three IR sensors. Two or three may enjoy this game with voice command, "Raise blue flag and lower white flag."   Carrier is modelled after a forklift truck. With a remote control, you can make it move forward and backward while hoisting and lowering the front forks. You may have a game to move things quick using blocks.     Dump is a robot kit modelled after a dump truck with a large open container at the back. With a remote control, you can make it move forward and backward. Using servo motor, you can turn and move up the container. Similar to the real dump truck, it moves slowly in the beginning, but it accelerates a little bit, due to the weight.   With this Golfer robot, you can play a golf. You can use a golf ball or a ping-pong ball. The three IR sensors help to adjust the strength of swing in three levels. You can play changing two golf clubs. Make holes and hit the ball into the holes. Build the robot and enjoy the golf.     Fighter is someone who fights, especially as a sport. This robot looks fun using tires as head and gloves. It fights like a boxer showing left and right straight. With two Fighters, you can enjoy a boxing game using your remote.   Bug imitates bug motions. It crawls and turns. It has feelers and wings. So, its look and move give you achievement when you finished constructing by yourself.