diff --git a/src/lab/QuestCubeLab.tsx b/src/lab/QuestCubeLab.tsx
index afc7e03..c616101 100644
--- a/src/lab/QuestCubeLab.tsx
+++ b/src/lab/QuestCubeLab.tsx
@@ -1,6 +1,6 @@
 import { useEffect, useRef, useState } from "react";
 import { Link } from "react-router-dom";
-import { Canvas, useFrame } from "@react-three/fiber";
+import { Canvas, useFrame, ThreeEvent } from "@react-three/fiber";
 import {
   OrbitControls,
   Grid,
@@ -169,7 +169,7 @@ const Table = ({
   onSurfaceClick: (p: THREE.Vector3, n: THREE.Vector3) => void;
   onEdgeClick: (p: THREE.Vector3, n: THREE.Vector3) => void;
 }) => {
-  const handleClick = (e: any) => {
+  const handleClick = (e: ThreeEvent<MouseEvent>) => {
     e.stopPropagation();
     if (!e.intersections[0].face) return;
     const n = e.intersections[0].face.normal;
@@ -241,7 +241,7 @@ const QuestCubeLab = () => {
   const [xrSupported] = useState(() =>
     typeof navigator !== "undefined" &&
     "xr" in navigator &&
-    typeof (navigator as any).xr?.isSessionSupported === "function"
+    typeof (navigator as Navigator & { xr?: { isSessionSupported?: Function } }).xr?.isSessionSupported === "function"
   );
 
   const posRef = useRef(cubePos);
@@ -276,7 +276,8 @@ const QuestCubeLab = () => {
 
   const enterXR = async () => {
     try {
-      const xr = (navigator as any).xr;
+      const xr = (navigator as Navigator & { xr?: { requestSession: (mode: string) => Promise<unknown> } })?.xr;
+      if (!xr) return;
       const session = await xr.requestSession("immersive-ar");
       void session;
       alert("XR session requisitada.");