Key Points Schylling has released two NeeDoh countdown calendars: one for Halloween and one for Christmas. If there’s one toy craze that has defined 2026, it’s the popularity of squishy toys like NeeDoh. So for those who really want to get on a kid’s good side this year, there’s good news: NeeDoh will be offering not one but two different advent/countdown calendars this year, and they’re already for sale. This year, there’s also a Halloween countdown calendar. We’re seeing Halloween countdown calendars catch on more and more, so this is a fun way to get in on the trend without increasing the kids’ sugar intake.