No digging required! Sets up easily in minutes. Holds 32 gallons of water.Complete kit includes main pond, cascading upper pond, electric pump with filter, tubing and fittings -- just add water. Durable resin construction for years of hassle-free use.Pump has 4.4 gal. per min. output. Overflow drain keeps water depth from rising above 11. Outdoor use only. Made in the USA by Step2 .