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

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Please use our contact form for customer service questions, general sales and/or PO inquiries, distribution inquiries, or to contact Cas Holman directly for speaking engagements, events, or design services. 

Heroes Will Rise, Inc., P.O. Box 6052, Providence, RI 02940.

Rigamajig Basic Builder Kit

Rigamajig Basic Builder is a large-scale, loose parts wooden building kit that inspires STEM/STEAM learning through hands-on and open-ended play. Ideal for schools, children’s and science museums, libraries, community organizations, maker spaces, and anywhere that children gather to learn and play!
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Two children playing with the Rigamajig Basic Builder Kit.