diff --git a/SPEC/DAG.md b/SPEC/DAG.md
index 2dfbf550..d93c4a9b 100644
--- a/SPEC/DAG.md
+++ b/SPEC/DAG.md
@@ -6,6 +6,10 @@
 * [dag.get](#dagget)
 * [dag.tree](#dagtree)
 
+_Explore the DAG API through interactive coding challenges in our ProtoSchool tutorials:_
+- _[P2P data links with content addressing](https://proto.school/#/basics/) (beginner)_
+- _[Blogging on the Decentralized Web](https://proto.school/#/blog/) (intermediate)_
+
 #### `dag.put`
 
 > Store an IPLD format node