DIY Giant Nutcrackers By: Brian Patrick Flynn Add a playful touch to your front yard this holiday season by transforming concrete tube forms into colorful, larger-than-life nutcrackers. 1 / 13 From: Brian Patrick Flynn Larger Than Life If you never thought you could use concrete tube forms for anything other than concrete column applications, then think again. This year, building supplies are being transformed into colorful and playful Christmas yard decor.