Do you want a science app?
The Cat in the Hat gives you that with a tap!
Kids play and learn in their backyard,
to see how science is fun, not hard!

Based on the PBS KIDS series, “The Cat in the Hat Knows a Lot About That,” this app introduces pre-k kids to science inquiry and engineering (STEM) concepts through games tailored to their learning progress.

Kids can build bridges, explore friction through slides, sort fun objects and more in fantastical lands along with the Cat in the Hat, Nick and Sally. Not only is it fun, it gives pre-k kids a head-start on education!

As kids play educational games, they earn rewards to decorate their treehouse and backyard. The learning games unlock even more games that let them tinker and explore in their own way.

Includes simple and fun hands-on educational activities that parents and kids can do together, extending the STEM fun to home and everyday materials.


- 5 entertaining games focusing on key science concepts
- Learn measurements and how sturdy materials are in Bridge-a-rama
- Develop organizational and identification skills with Sorta-ma-gogo
- Learn about physics, momentum, and surface tension in Slidea-ma-zoo with Thing 1 & Thing 2
- Discover sounds and pitch by creating musical instruments in Sounda-pa-looza
- Build your very own color mixing invention to help paint a masterpiece in Builda-ma-loo

- Parental notes and suggestions to help foster the learning experience
- Thought experiments for the growing mind
- Hands-on activities for each game
- Drawing prompts to inspire creativity, planning and reflection

- Customize a treehouse and backyard that grows the more you play
- 4 “Cat in in the Hat”-inspired tools to help make science discoveries
- Grow a garden by being curious and perseverance through game play

- English and Spanish language options available
- Closed captioning support included

Make learning fun with STEM games from the Cat in the Hat and all his friends! Download now!

About the Cat in the Hat Knows A Lot About That!
Voiced by award-winning actor Martin Short, Dr. Seuss's The Cat in the Hat guides friends Sally and Nick - with a little help from the Fish, Thing 1 and Thing 2 - on fun-filled adventures where they explore science and engineering concepts.

Filled with both adventure and silliness, THE CAT IN THE HAT KNOWS A LOT ABOUT THAT!, based on the acclaimed The Cat in the Hat's Learning Library book series, appeals to preschoolers' natural curiosity, engaging them in the process of scientific exploration and discovery.
For more fun with The Cat in the Hat Knows A Lot About That, visit

The Cat in the Hat Builds That app is part of PBS KIDS’ ongoing commitment to helping kids build the skills they need to succeed in school and in life. PBS KIDS, the number one educational media brand for kids, offers all children the opportunity to explore new ideas and new worlds through television and digital media, as well as community-based programs.

For more PBS KIDS apps, visit

The Cat in the Hat Builds That app was created as part of the Corporation for Public Broadcasting (CPB) and PBS Ready To Learn Initiative with funding from the U.S. Department of Education. The contents of the app were developed under a cooperative agreement #U295A150003, from the U.S. Department of Education. However, these contents do not necessarily represent the policy of the Department of Education, and you should not assume endorsement by the Federal Government.

Across all media platforms, PBS KIDS is committed to creating a safe and secure environment for children and families and being transparent about what information is collected from users. To learn more about PBS KIDS’ privacy policy, visit

What’s New

Version 2.1

An update for you
from Thing 1 and Thing 2.
It fixes some crashes you might have seen yesterday,
but now The Cat in the Hat is ready for you to play!

Ratings and Reviews

3.9 out of 5
43 Ratings

43 Ratings

@Cookiebae IG ,

Great skills but not enough games

My daughter just turned 3, we love this app. No ads, which is very important to me. I see a lot of ppl complaining about a sound issue but we didn’t have that trouble. I was worried that she would be too young to understand science concepts but the ideas in the games are simplified for young minds and presented in fun ways. Perfect intro to problem solving skills. But I wish there were more levels! She just finished the three different games (Thing1&2 with the slides, the dragon with building bridges, and a ram with the sorting game) I thought finishing the sorting game would unlock a new one but it didn’t. Overall there was enough game time for it being free but I guess we’re finished with what it has to offer.

SaPa30 ,

No sound

Looks like a great app but sound does not work. Tried to fix it in the app settings and it won’t even show up on my list of apps on my phone.

Developer Response ,

Hi there! We are sorry to hear your app is not working as designed. Sound should be working as long as the volume switched is turn on. Do you mind providing more info for us to investigate? Which device are you using and with which OS? Thanks for your continued support of PBS KIDS.

zeensmd ,

Latest update not working!!!

The latest update is not working

Developer Response ,

Hi! We're so sorry to hear that your app is not working.This is a high concern on our end. Any details that you can provide such as the exact issue that is malfunctioning and the name and OS of your device will help us to troubleshoot. Thank you for your continued support of PBS KIDS!


PBS Kids
196.4 MB

Requires iOS 9.0 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating
Rated 4+
© 2019 Public Broadcasting Service


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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