Bricks Made From The Same Quality Plastic. All pieces are sourced personally then packaged and sealed by us! - All instructions are made by us and are very detailed.We are here to help you if you have any question regarding your order. We handle customer service as the most important task in our daily operation. Remember, we strive to keep all our customers satisfied. Your feedback is critical to our success! 4 out of 5 stars is unacceptable and considered a failure in our market. We strive to keep all our customers satisfy.