This study evaluated visual instructional materials roles in agricultural extension services in the North-West Zone of Nigeria, comprising seven states Kaduna, Kano Katsina, Kebbi, Sokoto and Zamfara. The total number of respondents randomly selected was 56 agricultural extension agents and 14 respondent farmers through the use of both purposive and random sampling techniques in the study area. Data were analysed using Statistical Package for the Social Sciences (SPSS). The findings revealed that 70% respondents were male, 30% were female. In gender variation male users of visual instructional materials in agricultural extension services were dominant. The study also found that 62% of the users were between the ages 18-39 years, and those of ages 40-59 years constituted 34% while those within 60 years and above were 4%. The result showed 87% of the users were married with 12% being single, 1% where divorced. Youths were higher in number which may be attributed to high rate of unemployment in Nigeria. The evaluation found that the level of awareness of participants farmers and extension agents across the Zone and the overall roles impact in agricultural activities were significantly greater in technology adoption through the usage of visual instructional materials. The findings further showed the educational status of the users. The data shows that 12% had primary education, 24% secondary education, while majority had tertiary education of 64%. Language preferred by users was English which ranked 62.3%. Also, the data reveals that Hausa has 27.4% and Arabic (Ajami) 10.3%.