Rigamajig creator Cas Holman featured on Netflix’s “Abstract: The Art of Design.” Watch Now →

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Rigamajigs are large-scale, loose parts building kits that inspire STEM/STEAM learning and problem-solving skills through open-ended, collaborative play.

Rigamajig sparks imagination, innovation, collaboration,
and problem-solving skills.

Curriculum Compatible

Teachers love using Rigamajig throughout their curriculum to introduce students to STEM/STEAM principles and develop 
21st Century skills.


Through hands-on and open-ended play, kids develop physical, emotional, and intellectual skills to engage their world with confidence.

Cognitive Thinking

With no instructions or set outcomes, Rigamajig creates cognitively challenging and cooperative play opportunities for students of any age, in any environment.

Rigamajig Basic Builder Kit

Rigamajig Basic Builder is a large-scale, loose parts wooden building kit that inspires STEM/STEAM learning, innovation, creativity, and problem-solving skills through collaborative hands-on, and open-ended play. Ideal for schools in the classroom, and in larger shared environments like gymnasiums, playgrounds, multi-purpose rooms, maker spaces, and libraries!
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Two children playing with the Rigamajig Basic Builder Kit.

Hear what teachers and educators love about Rigamajig!

Resources for Schools & Teachers

Getting Started

Helpful introductory guidance for teachers and educators on bringing Rigamajig to the classroom.
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Project Plans

We've developed these 20+ research-based Project Plans to help teachers maximize Rigamajig in their classrooms and inspire students!
View Project Plans


Looking to apply for a grant to purchase your Rigamajig? We’ve done the research for you! 
Here’s 25 foundations and organizations that provide education and STEM/STEAM grants.
Learn More

Rigamajig Workshops

Our freestanding Workshop units enhance play value by allowing kids to see all the Rigamajig parts and pieces displayed, helping them to imagine what they can create and build! Workshops are a great way to establish an interactive exhibit and play area within your school, museum, library, community organization, or maker space.
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Two children playing with Rigamajig Basic Builder Workshop.

Questions? Comments? Just want to say hi?

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