It was made by my 4-year old! He is such an engineer! He loves playing with Mag-Formers and always makes some pretty awesome designs, but this was by far the coolest I have seen! It's three dimensional too!
Thanks for letting me share that with you! In other news I have been busy planning for my next Kickstarter! I'm super excited to be bringing a new math picture book into the publishing world--you can give me feedback and see the work in progress campaign here: https://www.kickstarter.com/projects/lucyravitch/140967228?token=dc8b447a
See you next time!