Male, brown hair, blue and white striped top: Feet and inches. Male, black hair and goatee, blue and white striped top: Pounds and ounces. Male, grey curly hair, checked top: Centimetres, millimetres.

Bimowy is a website where you can choose any math subject and train on it repeatedly with automatically-generated exercises. You can set the options for the difficulty, number of questions, numbers ...