diff --git a/documentation/bom/bom.md b/documentation/bom/bom.md
index 43adee3..2bacef9 100644
--- a/documentation/bom/bom.md
+++ b/documentation/bom/bom.md
@@ -6,7 +6,7 @@
 |------|-----|-------------|----------|----------------|-------|
 | Steel ball | 12 | Ø1 mm (0.04") | Precision G10 or better. Can be sourced from small ball bearings | |
 | PU stretch cord | 1 m | Ø1mm | e.g. "Stretch Magic" or "Magic String" | [Aliexpress](https://www.aliexpress.us/item/3256805953910514.html)| ![Pu strech cord](images/PU_StretchCord.png)|
-| Neodym Cylinder Magnet | 70 | Ø3mm h=5 mm | N52 Grade | [Ebay Link]()|
+| Neodym Cylinder Magnet | 70 | Ø3mm h=5 mm | N52 Grade | [NeoMagnets](https://www.buyneomagnets.com/p/3mm-dia-x-5mm-thick-n52-neodymium-rare-earth-disc-magnets-100-pack/)|
 | Brass Pipe | 1 m | OD=Ø2mm ID=Ø1 mm |  | [Amazon](https://a.co/d/1pRFmtf)| ![Brass Pipe](images/BrassPipe.png)|
 | M2-8 dowel     | 9   |             |          |                |       |
 | SHCS M2-8      | 9   |             |          |                |       |