diff --git a/src/iter/ast_node_iter.rs b/src/iter/ast_node_iter.rs
index 0ad3093..0abe9d9 100644
--- a/src/iter/ast_node_iter.rs
+++ b/src/iter/ast_node_iter.rs
@@ -1,4 +1,5 @@
 use super::ast_node::AstNode;
+use crate::types::Bold;
 use crate::types::Object;
 
 pub enum AstNodeIter<'r, 's> {
@@ -67,7 +68,18 @@ impl<'r, 's> Iterator for BoldIter<'r, 's> {
     type Item = AstNode<'r, 's>;
 
     fn next(&mut self) -> Option<Self::Item> {
-        let foo = self.next.next();
-        todo!()
+        self.next.next().map(Into::<AstNode>::into)
+    }
+}
+
+impl<'r, 's> IntoIterator for &'r Bold<'s> {
+    type Item = AstNode<'r, 's>;
+
+    type IntoIter = BoldIter<'r, 's>;
+
+    fn into_iter(self) -> Self::IntoIter {
+        BoldIter {
+            next: self.children.iter(),
+        }
     }
 }