In 1996, Welch's released a set of six The Wubbulous World of Dr. Seuss jelly jars to tie in with the television series.

The six jars consisted of:

• The Cat in the Hat and the Zubble-Wump
• Horton the Elephant and Friends
• The Grinch and Friends
• Thidwick the Moose and Friends
• Yertle the Turtle and Friends
• The Cat in the Hat, Norval, and Friend