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Mental rotation is the ability to imagine how an object will look if rotated away from the orientation in comparison with the one which is actually presented. That is a component of spatial abilities. This research aimed at comparing mental rotation ability in those with motor and cognitive experiences. The method of this research was causal-comparative and the sample was selected purposively. The sample included 60 boys with a mean age of 17.17 years (motor experience = 20 subjects in wrestling group, cognitive experience = 20 subjects in computer game group and without motor and cognitive experiences (control) = 20 subjects). Peters et al. Mental Rotation Test (version A) (1995) was used to compare mental rotation. The results of the one-way ANOVA test showed a significant difference between the control group and wrestling group and also between the control group and PC game group (P≤0.01). There was no significant difference between wrestling and PC game groups in mental rotation (P>0.05). These findings indicated the positive effects of motor and cognitive experiences on cognitive development (mental rotation).