The objective of this study was to investigate the impact of Word Walls on improving the English reading fluency of Saudi kindergarten's children. The present study attempted to answer whether there was a statistically significant difference (a = 0.05) between the Saudi children's subjects' mean score on the English reading fluency test due to using Word Wall activities in Kindergarten or not. The researchers used a random sample of (55) female Saudi children from a kindergarten in Riyadh; (30) students to represent the experimental group, and (25) students to represent the control group. Those children sat for the pre and post-tests of TOWRE reading fluency which was adopted to suite the sample's ages. Word Wall activities were used to teach new vocabulary. As the study design was a quasi-experimental one, ANCOVA was used to analyze the quantitative data. The results of the study showed that Word Walls activities enhanced significantly the English reading fluency of the children in the experimental group. It was recommended that Kindergartens' teachers adopt Word Walls activities in their classroom practices to improve English reading fluency. Consequently, the children's reading fluency would be improved as well.