laptopschools.com sells a replacement stylus. They ship styluses to the school to keep in stock so you won't have a shipping delay. They will ask us to distribute a stylus once a purchase has been confirmed.
When purchasing just a pen, make sure you select the accessory only shipping option for $10. If you miss it, $19 will be charged for shipping but laptopschools.com will catch it before charging the card.
You can also can look up by part number on Lenovo's website to see if they have any in stock: https://support.lenovo.com/us/en/partslookup/
Some parents have reported finding the stylus at Office Max in west Mobile.
Periodically you can find some on eBay or Amazon. Search for the following Lenovo part numbers:
Part Number Description
00HN890 DIGITIZER Wacom ActPen, LN, wo TW
4X80H34887
https://www.amazon.com/Lenovo-4X80H34887-ThinkPad-Active-Capacitive/dp/B00VES9FHG
While the stylus listed below is not for the yoga 11e, several have reported ti does work with the computer. In the past, students have reported finding in the local store, https://www.officedepot.com/a/products/626198/Lenovo-Active-Pen-Black/