Merely. This is because it describes how the children splashed in the water.
        
                    
             
        
        
        
Allusion is illustrated through the entire poem. 
Allusion is an brief and indirect reference to a place, person, thing, or idea of historical, culture, political significance, or literary.
Furthermore allusion doesn't describe in detail the person or thing it refers to.
Hope I helped  ;)
        
                    
             
        
        
        
Answer:
How Poetry Works. The most recognizable sound effect used in poems is rhyme. When two words rhyme, they have a similar ending sound. Words that end in the same letters, such as "take" and "make" rhyme, or words with different endings but the same sound rhyme, such as "cane" and "pain.". Poetry also makes use of near rhymes (or slant rhymes),...
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Answer:           Grampa is impressed with Birdfoot’s use of humor.