How to draw a house without lifting the pencil (or how to draw an envelope) and without overlaping lines. You have to draw this figure on a paper with only one stroke. It is a very easy exercise to increase the concentration when drawing.
These types of creative brain games stimulate the mind through the right hemisphere of the brain, and teach us tricks to solve and respond to challenges of ingenuity in your day to day. Can you do it? Test your intelligence. The solutions at the end of the video in a few seconds. Join the Art Pro channel for more challenges, games and interesting trivia, also suitable for children.