Great! You can draw on the walls. Perhaps do the whole museum with blackboard paint and let the public make their own art. Of course there's someone making sure you dont draw where you shouldn't and some yacketayacketa about utopian blah etc
http://www.whitechapelgallery.org/exhibitions/childrens-art-commission-simon-tom-bloor-loose-parts But otherwise great, from the the clay blob like chalks to what it actually looks like: good.