Type: Neodymium, Diameter: 3mm(±0.1mm), Height: 1mm(±0.1mm).
Basically copy coupon, view price history or create e-mail price alert. What is best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. As you can see I didn’t find any active coupon for this product right now…
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): aff7off, toys8, CFadmitad, e2bcea, 502C6B, TTxBG10, AFfbG10, BGCITYADS2019, BGVDay10%off, bGhOnEy10, BGAFF10OFF, BgcLuBofErtA10
(there’s a little possibility that old coupon will work)
Price history and price alert
Do you need price history chart (for all/most countries) for 100x 3x1mm N35 Neodymium Magnets? There we go. The lowest price was: $1.79.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).