The original and authentic Magformers. Build with 20 squares 2 triangles 8 rectangle and 2 right angle isosceles triangle. Add a LED light stairs balconies walls and more to create your dream house. | Perfect for brain development critical thinking and education. | Step-by-step educational idea booklet with follow along ideas and instructions. | Develop color and shape recognition fine motor skills and problem-solving ability. | Ages 3 years and up.