Check the listing for details. Learning Resources Cross-Section Human Eye Model Biology Scientific LER 1907. Condition: New, Made in China. Listed at 29.95 USD. Learning Resources Cross-Section Human Eye Model Biology Scientific LER 1907. This Learning Resources Cross-Section Human Eye Model is a fantastic addition to any child's toy collection. With its interactive design, children can explore the wonders of the human eye and how it works. The model is recommended for children aged 7 years and up, and is sure to provide hours of fun and learning. The item model number is LER1907 and it was manufactured by Learning Resources in China in 2008. This toy falls under the category of electronic and interactive toys, specifically those that are battery and wind-up. It is a great way to teach children about biology and the human body, while also providing them with a fun and engaging toy to play with.