diff --git a/configure.py b/configure.py
index e16ad870..b930d607 100755
--- a/configure.py
+++ b/configure.py
@@ -1306,7 +1306,7 @@ def MatchingFor(*versions):
             Object(NonMatching, "Sato/ItemBanana.cpp"),
             Object(Matching, "Sato/stEfctWeed.cpp"),
             Object(Matching, "Sato/ItemKinoko.cpp"),
-            Object(NonMatching, "Sato/ItemStar.cpp"),
+            Object(Matching, "Sato/ItemStar.cpp"),
             Object(NonMatching, "Sato/J3DEffectMgr.cpp"),
             Object(Matching, "Sato/StringObj.cpp"),
             Object(NonMatching, "Sato/ItemWanWan.cpp"),
diff --git a/include/Sato/ItemHeart.h b/include/Sato/ItemHeart.h
index dd0907f6..663296c5 100644
--- a/include/Sato/ItemHeart.h
+++ b/include/Sato/ItemHeart.h
@@ -32,7 +32,7 @@ class ItemHeart : public ItemObj
     bool hasHeartsRemaining() const { return !mNoHeartsRemaining; }
 
     f32 mRot;
-    Mtx mRotMtx;
+    JGeometry::TRot3f mRotMtx;
     s16 mRemainingNum; // 2e4
     s16 mLostNum; // 2e6;
     J3DEfctHeart *mEffects[2]; // 2e8
diff --git a/include/Sato/ItemStar.h b/include/Sato/ItemStar.h
index 17811da0..222bec1f 100644
--- a/include/Sato/ItemStar.h
+++ b/include/Sato/ItemStar.h
@@ -3,8 +3,6 @@
 
 #include "Sato/ItemObj.h"
 
- // TODO
-
 class ItemStar : public ItemObj
 { // Autogenerated
 public:
@@ -24,6 +22,7 @@ class ItemStar : public ItemObj
     // Inline
     virtual ~ItemStar() {} // 0x80255ec8
 
-    u8 _[0x2e4 - 0x2b0];
+    f32 mRot;
+    JGeometry::TRot3f mRotMtx;
 };
-#endif // ITEMSTAR_H
\ No newline at end of file
+#endif // ITEMSTAR_H
diff --git a/src/Sato/ItemHeart.cpp b/src/Sato/ItemHeart.cpp
index c0f672f7..2efe864e 100644
--- a/src/Sato/ItemHeart.cpp
+++ b/src/Sato/ItemHeart.cpp
@@ -142,7 +142,7 @@ void ItemHeart::initEquip()
     mpHandAnmMtx = getHandAnmMtx();
     mVel.zero();
     mPos.zero();
-    JMath::gekko_ps_copy12(mRotMtx, _210); // NOTE: mRotMtx might be SMatrix34C, spot other inlnes to be sure
+    mRotMtx.set(_210);
 }
 
 void ItemHeart::doEquip()
diff --git a/src/Sato/ItemStar.cpp b/src/Sato/ItemStar.cpp
index e69de29b..cc742166 100644
--- a/src/Sato/ItemStar.cpp
+++ b/src/Sato/ItemStar.cpp
@@ -0,0 +1,127 @@
+#include "Sato/ItemStar.h"
+
+#include "JSystem/JAudio/JASFakeMatch2.h"
+
+namespace
+{
+    f32 sScale = 1.0f;
+    f32 sHeightOffset = 26.0f;
+    f32 sBoundsRadius = 30.0f;
+}
+
+ItemStar::ItemStar(u32 kind) : ItemObj(kind)
+{
+    reset();
+}
+
+void ItemStar::reset()
+{
+    resetObject();
+    mKartReaction = 7;
+    _12c |= 8;
+    _12c |= 0x200;
+    _28 = 0.5f;
+    _6c = sHeightOffset;
+    _2c = 0.5f;
+
+    if (mBounds)
+        mBounds->setRadius(sBoundsRadius);
+
+    mLerpRatio = 0.3f;
+    mRot = 0.0f;
+    PSMTXIdentity(mRotMtx);
+}
+
+const char *ItemStar::getBmdFileName()
+{
+    static const char *cStarBmdName = "/Item/item_star.bmd";
+    return cStarBmdName;
+}
+
+void ItemStar::createModel(JKRSolidHeap *heap, u32 p2, u32 id) {
+    mModel.createDifferedModel(heap, p2, id | 0x1000200, false);
+}
+
+void ItemStar::doUniv()
+{
+    if (!tstAnyObjectHitting())
+    {
+        switch (mState)
+        {
+        case 1:
+        case 5:
+            doEquipScaleUp(sScale);
+            break;
+        case 4:
+        case 6:
+            doFallScaling();
+            setScaleCol(mEquipScale);
+            break;
+        case 7:
+            doForceDisappearScaleDown();
+            break;
+        }
+    }
+    (this->*mStateFunc)();
+}
+
+void ItemStar::initEquip()
+{
+    mEquipFlags = 0;
+    mpHandAnmMtx = getHandAnmMtx();
+    mVel.zero();
+    mPos.zero();
+    mRotMtx.set(_210);
+}
+
+void ItemStar::doEquip() {
+    rotationRad(mRot, 0.05f);
+    f32 r = mRot;
+    f32 s = sin(r);
+    f32 c = cos(r);
+    Mtx m;
+
+    m[1][1] = 1.0f;
+    m[0][0] = c;
+    m[0][2] = s;
+    m[2][0] = -s;
+    m[2][2] = c;
+    m[2][1] = 0.0f;
+    m[1][2] = 0.0f;
+    m[1][0] = 0.0f;
+    m[0][1] = 0.0f;
+    m[0][3] = 0.0f;
+    m[1][3] = 0.0f;
+    m[2][3] = 0.0f;
+    PSMTXConcat(mRotMtx, m, _210);
+    doHandOneEquip(false, 0.0f);
+}
+
+void ItemStar::initRelease() { setStateDisappear(true); }
+
+void ItemStar::doRelease() {}
+
+void ItemStar::initDisappear()
+{
+    _12c &= ~1;
+    mState = 10;
+}
+
+void ItemStar::doDisappear() {}
+
+void ItemStar::initFall()
+{
+    mEquipFlags = 0xffffffff;
+    ItemObj::initmoveFall();
+}
+
+void ItemStar::doFall()
+{
+    Quaternion qRotY, q;
+
+    rotationRad(mRot, 0.05f);
+    QuatRotY(mRot, &qRotY);
+    moveFall();
+    PSQUATMultiply(&_34, &qRotY, &q);
+    setModelMatrixAndScale(q);
+}