Learn to create playful Halloween-themed origami toys featuring a Frankenstein monster and vampire in this 20-minute craft tutorial. Follow step-by-step instructions to fold and assemble paper characters with pop-out eyes that spring forward when pulled. Gather two 14x14cm paper sheets for the heads, one 29x4.5cm strip for the spring mechanism, plus glue, scissors, and markers. Get creative by customizing these spooky-yet-fun paper creatures to surprise friends and family with your own unique monster variations.