diff --git a/first_challenge/hourglass.js b/first_challenge/hourglass.js
new file mode 100644
index 0000000..8a82614
--- /dev/null
+++ b/first_challenge/hourglass.js
@@ -0,0 +1,39 @@
+function hourglass(n){
+
+    let counter= 0;
+    let blank= '';
+
+    for (let i= 0; i<=n; i++){
+
+        counter ++
+        if (i==0){
+            blank +=`${'#'.repeat(n-i)}\n`
+        }else if (i==1){
+            blank +=`#${'#' + ' '.repeat(n-4)}##\n`
+        }else if (i==2){
+            blank +=`# ${'#' + ' '.repeat(n-4-i)}# #\n`
+        }else if (counter%2==0 && counter < n-3){
+            blank +=`#${' '.repeat((counter/2)) + '#' + ' '.repeat(n-4-counter) + '#' + ' '.repeat((counter/2))}#\n`
+        }
+
+    };
+
+    for (let i= n; i>=0; i--){
+
+        counter--
+        if (i==0){
+            blank +=`${'#'.repeat(n-i)}\n`
+        }else if(i==1){
+            blank +=`${'#'.repeat(n)}\n`
+        }else if(i==2){
+            blank +=`# ${' '.repeat((i/2)-1) + '#'.repeat(n-i-2)} #\n`
+        }else if(i%2==0 && i < n-3){
+            blank +=`#${' '.repeat((counter/2)) + '#'.repeat((n-counter-2))+ ' '.repeat((counter/2))}#\n`
+        }
+    };
+    return(blank)
+
+    }
+
+    console.log(hourglass(20))
+    console.log('n= 20')