The domain toys-to-teach.net would be a great idea for a blog or forum for parents to share and discuss toy-based educational activities and strategies, as well as for an online resource hub for teachers providing lesson plans and ideas using toys in the classroom. The blog or forum aspect would provide a platform for parents to connect and exchange ideas and experiences with using toys for educational purposes. It can be a valuable resource for parents who are looking for new ideas or facing challenges in teaching their children with play-based methods. The online resource hub for teachers can serve as a centralized repository of lesson plans, activity ideas, and strategies for incorporating educational toys into the classroom. This can be extremely beneficial for teachers who are looking to enhance their teaching methods or make learning more engaging for their students. While the other ideas (3-10) are also interesting, the initial two ideas have a wider appeal and more immediate benefits for both parents and teachers. However, depending on the target audience and market demand, any of these ideas could potentially be successful.