For sale is this lot of vintage Playskool Pipeworks 4 Yellow Wheel Tires. These are hard to come by and a must for anyone's set. These pieces came out of the Pipeworks 1000 set. Playskool Pipeworks with the unique 'click-lock' locking system is a construction toy consisting of white tubes and multi-colored connectors assembled and disassemble with a plastic wrench. Playskool dubbed it as "a kid-sized construction system that's a new toy every day!". First designed by John Choong it was first introduced in the 1980s were originally available as three different Pipeworks sets. Please be sure to review all photos and read the description before purchasing. Items listed as vintage and with their original packaging may be very brittle/breakable. If item is still sealed I will not open to test the durability of the item. Items are sold in "as is" condition. Please ask any questions you may have before purchasing. Shipping is based on a rough estimate of size, weight, and dimensions. You have 3 days to pay for an sale before I file a non-payment claim with. After 5 business days, the item will be relisted and sold to the next available buyer.