created a key prefab that falls down the screen

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RingMaster/RingMaster/Assets/Scripts/Key.cs

+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class Key : MonoBehaviour {
+
+    public float speed = 1f;
+
+	// Use this for initialization
+	void Start () {
+		
+	}
+	
+	// Update is called once per frame
+	void Update () {
+        transform.Translate(Vector3.down * speed * Time.deltaTime);
+    }
+}

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+left 1
+right 1.5
+up 2.34
+down 4.8
\ No newline at end of file

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