kids learn stem by hands on 3d modeling

cardboard refills

Have enough connectors but want some more shapes? This assortment of shapes will keep you creating!

Cardboard Refills by the box

Cardboard refills

Over 60 shapes per box ranging from 1" to 10" 


Cardboard refills bulk for the classroom

Cardboard refills for the classroom

Over 500 geometric shapes ranging from 1" to 10"

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 Use the code "luckydux" at checkout to get materials your little engineers. Then check out our STEM  activities and videos to keep kids busy and learning at home 

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