diff --git a/coding_interviews/algoexpert/non-constructible-change/non-constructible-change.js b/coding_interviews/algoexpert/non-constructible-change/non-constructible-change.js
new file mode 100644
index 0000000..e6f666f
--- /dev/null
+++ b/coding_interviews/algoexpert/non-constructible-change/non-constructible-change.js
@@ -0,0 +1,18 @@
+// Runtime: O(nlogn)
+// Space: O(1)
+
+function nonConstructibleChange(coins) {
+  coins.sort((a, b) => a - b);
+
+  let currentChangeCreated = 0;
+
+  for (let coin of coins) {
+    if (coin > currentChangeCreated + 1) {
+      return currentChangeCreated + 1;
+    }
+
+    currentChangeCreated += coin;
+  }
+
+  return currentChangeCreated + 1;
+}