For kids between the ages of 4-5 years old, constructive triangles are used to show them how little triangles may be utilized to build different forms like rectangles, squares, hexagons, etc. These triangles come in a variety of shapes and hues, including scalene, isosceles, equilateral, and others, including yellow, red, and green. And wooden boxes are placed inside of them. They are manufactured with high-quality, non-toxic materials that are fully safe for kids to use, making them durable. They can be altered to meet specific customer requirements and come in a number of sizes.