Concrete + Wood = Awesome Coffee Table

I'm making a coffee table from wood and concrete DIY. Materials Used: Concrete 1 part cement 1 part sand Wood Tree Branch Plywood 15 mm, 4 mm Screws 3x30 mm, 4x80 mm Silicone Sealant Acrylic-based Waterproofing Tools Used: Cordless Drill Belt Sander