Check the listing for details. Oliver Plus String - Wooden Brain Teaser Puzzle. Condition: New. Listed at 24.95 USD. Oliver Plus String - Wooden Brain Teaser Puzzle Product Description: Difficult and very puzzling wood brain teaser string puzzle In an Extra large version. The Oliver plus String Puzzle is perfect for displaying on your desk at work or on a table or shelf in your home. This is a fun and very challenging puzzle!!! The object of this puzzle is to remove the single wooden ring from the pillar so that it is completely free from rest of the puzzle. Approximate Diamentions: 5.5" x 8.75" x 3.0" Difficulty Level (1-5): 4 Hard Solution or Instructions Available. Return Policy Merchandise may be returned for a full refund excluding shipping charges. Merchandise must be returned in its original packaging and in unused and sealed condition and packed sufficiently to avoid being damaged in shipping. Please contact us for a Return Authorization number (RMA number)and return instructions, before returning the merchandise. Shipping Policy We can combine items for discounted shipping, please make sure you are purchasing all items on the same cart and send us a request for total, we'll combine the product price and shipping cost. Payment Policy We accept PayPal payment. Orders will be shipped once payment is received.