Yup Toke had 1 idea I used before or if you want customizable sizes.A $7 8x4 sheet of ply wood.4 2 x 6 about $5 each and then some rubber pond liner from home depot about $20 thats 1 8x 4 table or 2 4x 4 tables for under 50 bucks.You ll of course need your drains and such but you asked for tables.