Numbers wooden Educational mathematic puzzle

Educational puzzle - material for getting acquainted with numbers and teaching the first equations. Elements can also be used as stencils.  Inside the puzzle there is a convenient field for equations - which means it can be used on the floor, on the grass and in any convenient place - there is no need to play the game at the table. In addition to the plus, minus and equal signs, there are brackets (learning the order of actions in brackets and outside the brackets), as well as inequality signs. Size: 9,45 inches by 8,27 inches (24 cm by 21 cm) Weight is 350 g / 0.77 pounds.