Ключевые слова: 3d illustration, attention, basic, block, blocks, brain, children, choice, circle, colors, colourful, colours, concentration, concept, construct, cylinder, decision, development, education, figure, game, games, geometry, graphic, group, hole, illustration, joy, learn, logic, match, matching, multicolor, plastic, play, problem, puzzle, rectangle, round, school, side, toy, training, views,