...ya no puede caminar.

A little boy about 10 ten years old is afraid of roaches. He finds one more in the basement. His father tells him that to overcome his fears he must get used to the roaches. The boy captures a roach into a bottle and puts it next to his bed. He does the same with all kind of bugs he is afraid of: snails, worms, etc. Until he eventually captures his masterpiece...but I won't tell...be ready for the surprise.