We learned a lot about gravity & balance building this ball run using our SUMBLOX & Grimm’s Davinci sticks. Inspired by @woodentoyplay. - Shop your screenshot of this pic with the LIKEtoKNOW.it shopping app - - - - - @liketoknow.it.family invitationtoplay buildingblocks ballrun theartofplay raisingcreativekids preschool learningthroughplay playtolearn toddlerlife - - - - - http://liketk.it/2XG2l liketkit @liketoknow.it