Amazon has the Redcat Racing Piranha RC Truggy (TR-10) for $82 with free shipping. List price: $140. Features 540 brushed motor, waterproof 2-in-1 ESC/receiver, proportional 2.4GHz radio system, 7.2V 2000mAh NiMH battery, 1A NiMH charger.
Has above average Amazon Reviews.
Amazon has the Zen Laboratory Inflatable Splash Pad Sprinkler (ZC-05) for $25 with free shipping. List price: $35. Features 68" diameter, BPA and phthalate free, adjust stray height via hose.
Has good Amazon Reviews.