diff --git a/src/scripts/main.js b/src/scripts/main.js
index ad9a93a7..1c3b450c 100644
--- a/src/scripts/main.js
+++ b/src/scripts/main.js
@@ -1 +1,12 @@
 'use strict';
+
+const bigI = document.querySelector('#largeImg');
+const small = document.querySelectorAll('.gallery__img');
+
+small.forEach((img) => {
+  img.addEventListener('click', () => {
+    if (bigI) {
+      bigI.src = img.src;
+    }
+  });
+});