diff --git a/app/api/claim-pack/route.ts b/app/api/claim-pack/route.ts
index de56dac..be97235 100644
--- a/app/api/claim-pack/route.ts
+++ b/app/api/claim-pack/route.ts
@@ -3,8 +3,47 @@ import { NextResponse } from 'next/server';
 import { id } from '@instantdb/core';
 import { BLOCK_TYPES, BlockTypeId } from '../../constants/blocks';
 
+type RarityWeights = {
+  common: number;
+  uncommon: number;
+  rare: number;
+  legendary: number;
+};
+
+// Scale rarity weights based on session duration to reward longer focus
+const getRarityWeightsForDuration = (minutes: number): RarityWeights => {
+  if (minutes >= 45) {
+    return {
+      common: 50,
+      uncommon: 30,
+      rare: 15,
+      legendary: 5,
+    };
+  }
+
+  if (minutes >= 30) {
+    return {
+      common: 55,
+      uncommon: 30,
+      rare: 12,
+      legendary: 3,
+    };
+  }
+
+  return {
+    common: 60,
+    uncommon: 30,
+    rare: 8,
+    legendary: 2,
+  };
+};
+
 // Get random block types for rewards (ensuring at least one plant)
-const getRandomBlockTypes = (count: number, isSupporter: boolean = false): string[] => {
+const getRandomBlockTypes = (
+  count: number,
+  isSupporter: boolean = false,
+  minutes: number = 0
+): string[] => {
   const allBlockIds = Object.keys(BLOCK_TYPES);
   
   // Filter out supporter-only blocks if user is not a supporter
@@ -26,12 +65,7 @@ const getRandomBlockTypes = (count: number, isSupporter: boolean = false): strin
   const selected: string[] = [];
   
   // Rarity weights (must sum to 100)
-  const rarityWeights = {
-    common: 60,
-    uncommon: 30,
-    rare: 8,
-    legendary: 2
-  };
+  const rarityWeights = getRarityWeightsForDuration(minutes);
   
   // Get a random block based on rarity weights
   const getWeightedRandomBlock = (): string => {
@@ -155,18 +189,11 @@ export async function POST(request: Request) {
       console.log(`User ${userId} supporter status: ${isSupporter}`);
     }
 
-    // Determine pack size based on session duration
-    let packSize = 3; // Default for < 60 mins
     const minutes = Math.floor(sessionDuration / 60);
-    
-    if (minutes >= 45) {
-      packSize = 5; // 1 hour or more
-    } else if (minutes >= 30) {
-      packSize = 3; // Still 3 for 30-59 minutes
-    }
+    const packSize = 3; // All packs now provide three blocks
 
     // Get random block types with supporter filter
-    const rewardBlocks = getRandomBlockTypes(packSize, isSupporter);
+    const rewardBlocks = getRandomBlockTypes(packSize, isSupporter, minutes);
 
     // Create the block transactions
     const blockTransactions = rewardBlocks.map((blockType) => {
diff --git a/app/components/MainSlideover.tsx b/app/components/MainSlideover.tsx
index 21b8586..bfba1ec 100644
--- a/app/components/MainSlideover.tsx
+++ b/app/components/MainSlideover.tsx
@@ -1664,7 +1664,13 @@ const MainSlideover = memo(function MainSlideover({
                                 const minutes = Math.floor(
                                   session.timeInSeconds / 60
                                 );
-                                const packSize = minutes >= 60 ? 6 : 3;
+                                const packSize = 3;
+                                const rarityBoost =
+                                  minutes >= 45
+                                    ? "Best odds for rare seeds"
+                                    : minutes >= 30
+                                    ? "Better odds for rare seeds"
+                                    : "Standard odds";
 
                                 return (
                                   <button
@@ -1710,6 +1716,9 @@ const MainSlideover = memo(function MainSlideover({
                                           <p className="text-[10px] text-center opacity-90">
                                             {packSize} Premium Seeds
                                           </p>
+                                          <p className="text-[9px] text-center opacity-80 text-amber-100">
+                                            {rarityBoost}
+                                          </p>
                                         </div>
 
                                         {/* Decorative plant illustration */}
@@ -2065,9 +2074,9 @@ const MainSlideover = memo(function MainSlideover({
                                 EARN PACKS
                               </h4>
                               <p className="text-xs text-neutral-600 dark:text-neutral-400 leading-relaxed">
-                                Complete sessions to earn seed packs. Sessions
-                                under 60 minutes give 3 seeds, 60+ minutes give
-                                6 seeds.
+                                Complete sessions to earn seed packs. Every
+                                pack contains three seeds, and longer sessions
+                                boost your odds of higher rarities.
                               </p>
                             </div>
                           </div>