Check the listing for details. Oliver String - Wooden Puzzle Brain Teaser. Condition: New. Listed at 15.95 USD. Oliver String - Wooden Puzzle Brain Teaser Product Description: A moderately difficult and very puzzling disentanglement brain teaser puzzle. The object of this puzzle is to remove the wooden ring completely from the rest of the puzzle. Very fun puzzle, and when solve it, you can always put the cord back (in reverse order of solving it) to let someone else try. Approximate Diamentions: 5.75" x 4.25" x 3.0" Difficulty Level (1-5): 3 Advanced 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.