* Cost: Teaching aids can be expensive, especially if you need to purchase a lot of them.
* Time: Teaching aids can take time to set up and use, especially if you are not familiar with them.
* Maintenance: Teaching aids may require maintenance, such as cleaning or updating, in order to keep them in good working order.
* Technical issues: Teaching aids can experience technical issues, such as power outages or software glitches, which can disrupt your lesson.
* Distractions: Teaching aids can be distracting for students, especially if they are not used effectively.
* Overreliance: Teachers may become overreliant on teaching aids and neglect other teaching methods, such as lectures or discussions.
* Equity and accessibility: Teaching aids may not be accessible to all students, especially those with disabilities or who are not familiar with technology.