Comments on: Crayola 3D Chalk…what makes it 3D? http://stephanieoppenheim.com/2009/04/crayola-3d-chalkwhat-makes-it-3d/ Thoughts on Toys from the Co-Founder of the Oppenheim Toy Portfolio Thu, 18 Apr 2013 15:58:19 +0000 hourly 1 http://wordpress.org/?v=3.5.1 By: Robert Krampf http://stephanieoppenheim.com/2009/04/crayola-3d-chalkwhat-makes-it-3d/comment-page-1/#comment-630 Robert Krampf Fri, 31 Jul 2009 14:01:05 +0000 http://toyportfolio.wordpress.com/?p=896#comment-630 You can find an explanation of the science behind the 3D chalk on my website at:
http://thehappyscientist.com/science-experiment/3d-chalk

]]> By: Gwenn http://stephanieoppenheim.com/2009/04/crayola-3d-chalkwhat-makes-it-3d/comment-page-1/#comment-629 Gwenn Sun, 14 Jun 2009 13:08:04 +0000 http://toyportfolio.wordpress.com/?p=896#comment-629 My kids (5 & 9) LOVE the 3D chalk and glasses! They are fascinated by 3D affect!

]]> By: toyportfolio http://stephanieoppenheim.com/2009/04/crayola-3d-chalkwhat-makes-it-3d/comment-page-1/#comment-628 toyportfolio Tue, 14 Apr 2009 20:43:29 +0000 http://toyportfolio.wordpress.com/?p=896#comment-628 Wishing it would stop raining so we can use our chalk.

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