diff --git a/experiments/2024-12-09/src/math/bivector.rs b/experiments/2024-12-09/src/math/bivector.rs
index cbd39bd93..9ed8b6978 100644
--- a/experiments/2024-12-09/src/math/bivector.rs
+++ b/experiments/2024-12-09/src/math/bivector.rs
@@ -1,6 +1,6 @@
 use super::Vector;
 
-#[derive(Clone, Copy)]
+#[derive(Clone, Copy, Debug)]
 pub struct Bivector<const D: usize> {
     pub a: Vector<D>,
     pub b: Vector<D>,