A controllable sprinkler includes a sprinkler head having a water discharge nozzle adapted to move between first and second sprinkler head positions via a sprinkler head positioner, and a sprinkler head position determiner to determine a current sprinkler head position between the first and second positions. The housing of the toy water gun can define an internal chamber. The basecutter assembly also includes a set of rails and a set of wheels. The drill bit of the present invention provides for various attack angles much closer to the optimum side rake.