Rubio. Entrena tu Mente. Ejercicios de Lógica
Calculus, logic, visual coordination and perception. Train your mind with Rubio notebooks: you will exercise and strengthen your brain to keep it always in shape. In this notebook you will find more than 100 exercises to practice your maths, logic, visual coordination and perception. With a little training you will keep your mental skills healthy in a simple and fun way.