Happy, Healthy,
Curious Kids!

The leading provider of digital
subscription content services for
kids and families worldwide.


Introducing Sandbox Kids!

Sandbox Kids is a new company that brings together the global, leading kids brands Kidomi, Hopster and Curious World.

Our mission is to endlessly engage and entertain children with content that inspires a love of learning and curiosity in the world around them. All our products are multimedia, multiplatform, 100% kid safe and can be localized for any market.

We are industry leaders with expertise in:

We have 200+ years of collective experience in digital kids content experiences with extensive expertise in designing, developing, operating and marketing premium, branded content experiences and subscription services.

Created and published over 30 kids’ mobile apps that have generated more than 100M downloads. We’re experienced in shipping kid-safe (COPPA) mobile platforms developed in UnityC++/OpenGL engine technology and Nirvana (proprietary).

We have released 9 different subscription-based products to date, including our direct-to-consumer apps Hopster, Curious World and Kidomi and enterprise platforms with Samsung, Verizon, Highlights for Children and Excelligence Learning.

We offer hand-picked, award-winning, diverse content and original exclusives for every child on a broad range of topics from STEM to social-emotional learning and age appropriate entertainment.

The award winning all-in-one super app

Kidomi has the best mix of family-friendly gaming, thousands of hours of games, books, and videos, all from top family brands you know and love.

See the Full Kidomi Site

A child’s 1st app

Hopster is a multi-award-winning preschool app that features family-favorite classics and independent shows, books, songs and games that are diverse, inclusive and gender-neutral.

See the Full Hopster Site

The #1 pre-school learning app

Curious World is a premium early learning app designed to fuel curiosity and boost academic skills with hundreds of shows, live action videos and curriculum-based learning games and books.

See the Full Curious World Site

Kids Love, Parents Trust

Our content is award-winning, age-appropriate and curated by experts.

We have a highly rigorous process for selecting, evaluating and mapping our content to US Common Core and leading international standards. There’s always something new to discover -- from exclusive originals to popular entertainment to leading educational brands!


Hours of Playtime






Songs & Podcast Episodes

Partner With Us

We are excited to hear from you -- whether you are a content creator, a game developer or you are an enterprise interested in distributing or marketing our content or products to your customers, Sandbox Kids is your best-in-class partner with flexible business models for the right strategic fit.

We can support any go-to-market strategy:

  • Launch a comprehensive kids content experience on your device
  • Bundle our products with hardware or other software services
  • Promote our products as a value added service
  • License our content to stream through your OTT/SVOD channel or service
Let's Talk

Meet Our Team

Nancy MacIntyre

Thought leader and do-er in kids and education business. Started Fingerprint after spending 15 years developing and marketing successful and beloved interactive products for children at LeapFrog, Lucasfilm and Hasbro.

Miki Chojnacka
Chief Content Officer

Miki's talent is for making things sparkle--brands, teams, channels and products. With over 20 years of experience in the media and entertainment industry (Viacom, MTV Networksand Pearson), Miki has been Hopster’s Chief Content and Creative Officer since 2017 and Co-CEO since 2020.

Tyrell Ellis
Chief Financial Officer

Tyrell has over 10 years of experience in finance, scaling companies by providing organizational, operational, strategic and commercial support to drive growth. Tyrell joined Hopster as the Chief Financial Officer in May 2020 and was promoted to Co-CEO in July 2020.

Johanns Gregorian
Chief Technology Officer

Seasoned hands-on technology leader, entrepreneurial thinker, methodical and pragmatic solutions architect with over 20 years of experience building consumer and business applications at FujiFilm Europe, MediaBiz (cofounder), Veritix (acquires by AXS), and Fingerprint.

Kimberly Verbonitz
Chief Revenue Officer

Creative problem solver, opportunity seeker and partnership builder. Kim has over 25 years of experience in business development, content, strategy and marketing. Kim was CRO at Fingerprint, leading BD and Content, since 2014 and previously led BD & Licensing at LeapFrog, was an agent at WME and started her career at Merck & Co., Inc.