mathnerd Posted June 12, 2013 Share Posted June 12, 2013 We already own a starter set of Keva Contraptions. We need more for the summer. I found that the Contraptions and Structures from Keva look the same to me. Is there a difference in the size of the blocks? And are the two sets compatible with each other? Looking for advise from anyone who is familiar with these. Thanks! Quote Link to comment Share on other sites More sharing options...
crazyforlatin Posted June 12, 2013 Share Posted June 12, 2013 Same blocks but with two colorful ping pong balls and a manual (quite sure there are models and instructions online somewhere). I fell for the picture on the box but never again! So yes, compatible. Quote Link to comment Share on other sites More sharing options...
songsparrow Posted June 12, 2013 Share Posted June 12, 2013 The blocks are exactly the same. If you already have Contraptions, I'd recommend getting Structures so that you end up with both idea books. Quote Link to comment Share on other sites More sharing options...
PeterPan Posted June 12, 2013 Share Posted June 12, 2013 The idea books for one or both of them are available free online as a pdf. Buy whichever is cheaper. Quote Link to comment Share on other sites More sharing options...
mathnerd Posted June 13, 2013 Author Share Posted June 13, 2013 Thanks a lot for the responses. Since both are compatible, I ordered the Contraptions 200 set because it was cheaper then the structures set on amazon. Quote Link to comment Share on other sites More sharing options...
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