These boxes use the Enclosed label, green Wrebbit logo and the Perfect Fit English Burst.

The tab is a medium spear.

There is an Irwin Toy logo in the bottom right.

The legalese includes:

Please retain this package for future reference. Product and color specification may vary.

©2002 Irwin Toy Limited. All rights reserverd. Irwin Toy and logo are trademarks of Irwing Toy. Wrebbit and Perfalock are trademarks owned by Inventi Limited Partnership, used under license. Manufactured for and distributed by Irwin Toy:

and after multiple addresses

All rights reserved worldwide. Patent pending.

UPC number system and company code are 0 69545. For some puzzles (New York City series), "AEE" is appended to the product number printed above the UPC bar code.