Some tools that can help you to create nice castles or figures on sunny beaches.
length is more than 170 mm
inspired from this site http://sandtools.com/pages/sand-tools-tips
if you like others tools that you need for, just put some image link reference to the comments
recommend to print with 0.2 layer, 0.1 more better for small details
infill depends how strong you want to be the handle