diff --git a/src/blobbi/shop/lib/blobbi-shop-items.test.ts b/src/blobbi/shop/lib/blobbi-shop-items.test.ts
new file mode 100644
index 00000000..50281e25
--- /dev/null
+++ b/src/blobbi/shop/lib/blobbi-shop-items.test.ts
@@ -0,0 +1,173 @@
+import { describe, it, expect } from 'vitest';
+
+import { getShopItemById } from './blobbi-shop-items';
+import { applyItemEffects } from '@/blobbi/actions/lib/blobbi-action-utils';
+import { DIRECT_ACTION_HAPPINESS_EFFECTS } from '@/blobbi/actions/hooks/useBlobbiDirectAction';
+import type { BlobbiStats } from '@/blobbi/core/lib/blobbi';
+
+// ─── Helpers ──────────────────────────────────────────────────────────────────
+
+const FULL: BlobbiStats = { hunger: 100, happiness: 100, health: 100, hygiene: 100, energy: 100 };
+const LOW: BlobbiStats = { hunger: 25, happiness: 25, health: 25, hygiene: 25, energy: 25 };
+
+function effectOf(id: string) {
+  const item = getShopItemById(id);
+  if (!item?.effect) throw new Error(`Item or effect not found: ${id}`);
+  return item.effect;
+}
+
+// ─── Food items ───────────────────────────────────────────────────────────────
+
+describe('food item effects', () => {
+  it('Apple restores +25 hunger (1 baby segment)', () => {
+    const effect = effectOf('food_apple');
+    expect(effect.hunger).toBe(25);
+    expect(effect.energy).toBe(5);
+    expect(effect.hygiene).toBe(-2);
+  });
+
+  it('Burger restores +45 hunger with multi-stat bonus', () => {
+    const effect = effectOf('food_burger');
+    expect(effect.hunger).toBe(45);
+    expect(effect.happiness).toBe(10);
+    expect(effect.energy).toBe(8);
+    expect(effect.hygiene).toBe(-8);
+  });
+
+  it('Sushi restores +35 hunger and +10 health', () => {
+    const effect = effectOf('food_sushi');
+    expect(effect.hunger).toBe(35);
+    expect(effect.health).toBe(10);
+    expect(effect.hygiene).toBe(-5);
+  });
+
+  it('Cake is happiness-focused food (+25 hunger, +30 happiness)', () => {
+    const effect = effectOf('food_cake');
+    expect(effect.hunger).toBe(25);
+    expect(effect.happiness).toBe(30);
+  });
+});
+
+// ─── Toy items ────────────────────────────────────────────────────────────────
+
+describe('toy item effects', () => {
+  it('Ball is basic toy (+25 happiness, costs energy and hygiene)', () => {
+    const effect = effectOf('toy_ball');
+    expect(effect.happiness).toBe(25);
+    expect(effect.energy).toBe(-10);
+    expect(effect.hygiene).toBe(-5);
+  });
+
+  it('Teddy Bear is premium toy with low energy cost', () => {
+    const effect = effectOf('toy_teddy');
+    expect(effect.happiness).toBe(45);
+    expect(effect.energy).toBe(-5);
+  });
+
+  it('Teddy costs less energy than Ball', () => {
+    const teddy = effectOf('toy_teddy');
+    const ball = effectOf('toy_ball');
+    // Teddy is premium — more happiness, less energy cost
+    expect(teddy.happiness!).toBeGreaterThan(ball.happiness!);
+    expect(teddy.energy!).toBeGreaterThan(ball.energy!); // -5 > -10
+  });
+});
+
+// ─── Medicine items ───────────────────────────────────────────────────────────
+
+describe('medicine item effects', () => {
+  it('Bandage restores +25 health (1 baby segment)', () => {
+    expect(effectOf('med_bandage').health).toBe(25);
+  });
+
+  it('Vitamins restore health and energy', () => {
+    const effect = effectOf('med_vitamins');
+    expect(effect.health).toBe(25);
+    expect(effect.energy).toBe(5);
+  });
+
+  it('Health Elixir is premium (+75 health, +20 happiness, +10 energy)', () => {
+    const effect = effectOf('med_elixir');
+    expect(effect.health).toBe(75);
+    expect(effect.happiness).toBe(20);
+    expect(effect.energy).toBe(10);
+  });
+
+  it('Super Medicine has happiness tradeoff', () => {
+    const effect = effectOf('med_super');
+    expect(effect.health).toBe(50);
+    expect(effect.happiness).toBe(-10);
+  });
+});
+
+// ─── Hygiene items ────────────────────────────────────────────────────────────
+
+describe('hygiene item effects', () => {
+  it('Soap restores +25 hygiene (1 baby segment)', () => {
+    const effect = effectOf('hyg_soap');
+    expect(effect.hygiene).toBe(25);
+    expect(effect.happiness).toBeUndefined();
+  });
+
+  it('Bubble Bath restores +70 hygiene and +25 happiness', () => {
+    const effect = effectOf('hyg_bubble');
+    expect(effect.hygiene).toBe(70);
+    expect(effect.happiness).toBe(25);
+  });
+
+  it('Shampoo is mid-tier (+50 hygiene, +10 happiness)', () => {
+    const effect = effectOf('hyg_shampoo');
+    expect(effect.hygiene).toBe(50);
+    expect(effect.happiness).toBe(10);
+  });
+});
+
+// ─── Direct actions ───────────────────────────────────────────────────────────
+
+describe('direct action effects', () => {
+  it('play_music gives +15 happiness', () => {
+    expect(DIRECT_ACTION_HAPPINESS_EFFECTS.play_music).toBe(15);
+  });
+
+  it('sing gives +20 happiness', () => {
+    expect(DIRECT_ACTION_HAPPINESS_EFFECTS.sing).toBe(20);
+  });
+
+  it('sing is stronger than play_music', () => {
+    expect(DIRECT_ACTION_HAPPINESS_EFFECTS.sing).toBeGreaterThan(
+      DIRECT_ACTION_HAPPINESS_EFFECTS.play_music,
+    );
+  });
+});
+
+// ─── applyItemEffects clamping ────────────────────────────────────────────────
+
+describe('applyItemEffects clamping', () => {
+  it('stats clamp to 100 when effect would exceed', () => {
+    const result = applyItemEffects(FULL, effectOf('food_apple'));
+    expect(result.hunger).toBe(100);
+    expect(result.energy).toBe(100);
+    expect(result.hygiene).toBe(98); // 100 + (-2) = 98
+  });
+
+  it('stats clamp to 1 when effect would go below', () => {
+    const result = applyItemEffects(
+      { hunger: 1, happiness: 1, health: 1, hygiene: 1, energy: 1 },
+      effectOf('toy_ball'),
+    );
+    // happiness: 1 + 25 = 26
+    // energy: 1 + (-10) = clamped to 1
+    // hygiene: 1 + (-5) = clamped to 1
+    expect(result.happiness).toBe(26);
+    expect(result.energy).toBe(1);
+    expect(result.hygiene).toBe(1);
+  });
+
+  it('Bubble Bath from low hygiene restores substantially', () => {
+    const result = applyItemEffects(LOW, effectOf('hyg_bubble'));
+    // hygiene: 25 + 70 = 95
+    // happiness: 25 + 25 = 50
+    expect(result.hygiene).toBe(95);
+    expect(result.happiness).toBe(50);
+  });
+});
diff --git a/src/blobbi/shop/lib/blobbi-shop-items.ts b/src/blobbi/shop/lib/blobbi-shop-items.ts
index 87edbec8..367f5088 100644
--- a/src/blobbi/shop/lib/blobbi-shop-items.ts
+++ b/src/blobbi/shop/lib/blobbi-shop-items.ts
@@ -14,7 +14,7 @@ export const BLOBBI_SHOP_ITEMS: ShopItem[] = [
     type: 'food',
     price: 10,
     icon: '🍎',
-    effect: { hunger: 15, hygiene: -2, energy: 5 },
+    effect: { hunger: 25, hygiene: -2, energy: 5 },
     status: 'live',
   },
   {
@@ -23,7 +23,7 @@ export const BLOBBI_SHOP_ITEMS: ShopItem[] = [
     type: 'food',
     price: 25,
     icon: '🍔',
-    effect: { hunger: 40, happiness: 10, hygiene: -8, energy: 8 },
+    effect: { hunger: 45, happiness: 10, hygiene: -8, energy: 8 },
     status: 'live',
   },
   {
@@ -32,7 +32,7 @@ export const BLOBBI_SHOP_ITEMS: ShopItem[] = [
     type: 'food',
     price: 50,
     icon: '🎂',
-    effect: { hunger: 20, happiness: 30, hygiene: -10, energy: 10 },
+    effect: { hunger: 25, happiness: 30, hygiene: -10, energy: 10 },
     status: 'live',
   },
   {
@@ -41,7 +41,7 @@ export const BLOBBI_SHOP_ITEMS: ShopItem[] = [
     type: 'food',
     price: 35,
     icon: '🍕',
-    effect: { hunger: 35, happiness: 15, hygiene: -9, energy: 10 },
+    effect: { hunger: 40, happiness: 15, hygiene: -9, energy: 10 },
     status: 'live',
   },
   {
@@ -50,7 +50,7 @@ export const BLOBBI_SHOP_ITEMS: ShopItem[] = [
     type: 'food',
     price: 45,
     icon: '🍣',
-    effect: { hunger: 30, health: 10, hygiene: -6, energy: 7 },
+    effect: { hunger: 35, health: 10, hygiene: -5, energy: 7 },
     status: 'live',
   },
 
@@ -70,7 +70,7 @@ export const BLOBBI_SHOP_ITEMS: ShopItem[] = [
     type: 'toy',
     price: 60,
     icon: '🧸',
-    effect: { happiness: 40, energy: -15 },
+    effect: { happiness: 45, energy: -5 },
     status: 'live',
   },
   {
@@ -90,7 +90,7 @@ export const BLOBBI_SHOP_ITEMS: ShopItem[] = [
     type: 'medicine',
     price: 40,
     icon: '💊',
-    effect: { health: 20 },
+    effect: { health: 25, energy: 5 },
     status: 'live',
   },
   {
@@ -108,7 +108,7 @@ export const BLOBBI_SHOP_ITEMS: ShopItem[] = [
     type: 'medicine',
     price: 20,
     icon: '🩹',
-    effect: { health: 15 },
+    effect: { health: 25 },
     status: 'live',
   },
   {
@@ -117,7 +117,7 @@ export const BLOBBI_SHOP_ITEMS: ShopItem[] = [
     type: 'medicine',
     price: 150,
     icon: '🧪',
-    effect: { health: 80, happiness: 20, energy: 10 },
+    effect: { health: 75, happiness: 20, energy: 10 },
     status: 'live',
   },
   {
@@ -146,7 +146,7 @@ export const BLOBBI_SHOP_ITEMS: ShopItem[] = [
     type: 'hygiene',
     price: 15,
     icon: '🧼',
-    effect: { hygiene: 30 },
+    effect: { hygiene: 25 },
     status: 'live',
   },
   {
@@ -164,7 +164,7 @@ export const BLOBBI_SHOP_ITEMS: ShopItem[] = [
     type: 'hygiene',
     price: 40,
     icon: '🛁',
-    effect: { hygiene: 60, happiness: 20 },
+    effect: { hygiene: 70, happiness: 25 },
     status: 'live',
   },
   {