How to Build a Sand Castle: Building a castle is buckets of fun, so why not make a few with your kids at the beach this summer? All you need are sand, water, household items, and some helping hands - so fun!
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Robots do it Better: Sand Castles.So as the summer winds down, and you feel as though you’re perfecting your water to sand ratio, just remember. Even when it comes to sand castle building, robots will eventually do it better.