diff --git a/src/block/ChiseledBookshelf.php b/src/block/ChiseledBookshelf.php
index be49c7a91..cbe22a94b 100644
--- a/src/block/ChiseledBookshelf.php
+++ b/src/block/ChiseledBookshelf.php
@@ -114,6 +114,18 @@ class ChiseledBookshelf extends Opaque implements HorizontalFacing{
 		return $this->slots;
 	}
 
+	/**
+	 * @param ChiseledBookshelfSlot[] $slots
+	 * @return $this
+	 */
+	public function setSlots(array $slots) : self{
+		$this->slots = [];
+		foreach($slots as $slot){
+			$this->setSlot($slot, true);
+		}
+		return $this;
+	}
+
 	/**
 	 * Returns the last slot interacted by a player or null if no slot has been interacted with yet.
 	 */
diff --git a/src/block/RedstoneLamp.php b/src/block/RedstoneLamp.php
index 33a97801d..530fa2410 100644
--- a/src/block/RedstoneLamp.php
+++ b/src/block/RedstoneLamp.php
@@ -23,11 +23,12 @@ declare(strict_types=1);
 
 namespace pocketmine\block;
 
+use pocketmine\block\utils\Lightable;
 use pocketmine\block\utils\PoweredByRedstone;
 use pocketmine\block\utils\PoweredByRedstoneTrait;
 use pocketmine\data\runtime\RuntimeDataDescriber;
 
-class RedstoneLamp extends Opaque implements PoweredByRedstone{
+class RedstoneLamp extends Opaque implements PoweredByRedstone, Lightable{
 	use PoweredByRedstoneTrait;
 
 	protected function describeBlockOnlyState(RuntimeDataDescriber $w) : void{
@@ -37,4 +38,14 @@ class RedstoneLamp extends Opaque implements PoweredByRedstone{
 	public function getLightLevel() : int{
 		return $this->powered ? 15 : 0;
 	}
+
+	public function isLit() : bool{
+		return $this->powered;
+	}
+
+	/** @return $this */
+	public function setLit(bool $lit = true) : self{
+		$this->powered = $lit;
+		return $this;
+	}
 }