For tanks up to 10 gal. Everything you need to get started with your pet betta.  This kit provides everything else you'll need except for the water LOL and betta :). 

10 gal glass tank (with top and light to house your betta 
Pennplax Mini Corner filter to keep water clean 
Refill for above so you will have optimum filtration for many months
Elite 799 airpump to power up the filter
Airline tubing for above set up
Valve so you can control the airflow
1 fluffy plant looks real and will not float even if you have a bare tank (no gravel)
Soft fish net to fish out your betta when needed without hurting it
Amquel & Novaqua to safely treat your tap water and make it betta friendly :)
Freezed Dried foods 1/2 oz of blood worms and 1/2 oz of brine shrimp, for a balanced and varied betta nutrition, free of bacteria and parasites. Enough to feed your betta for the rest of his life!
Bettamax in case of emergency, if he decides one day to get sick on you. 

Want to start breeding but don't know what you need? This is the kit for you. It includes just about everything you will need to spawn and raise the fry.

This Kit includes:

10 gal glass tank (bare) to breed your bettas and raise the fry 
Pennplax Mini Corner filter to keep fry water clean without hurting fry 
Refill for above so you will have optimum filtration for 6 months
Elite 799 airpump to power up the filter
Airline tubing for above set up
Valve so you can reduce the airflow to 1 air bubble a second
2 extra bushy plants so your male can't kill your female when spawning. Provides cover for female and will stay at the bottom of a bare tank (no gravel)
Soft fish net to fish out your breeder bettas when the time comes
1 submersible heater 25 W  
1 thermometer to monitor your tank's temperature
Amquel & Novaqua to safely treat your tap water and make it fry friendly :)
Black water extract to soften your tap water and induce spawning
Maroxy to prevent fungus from destroying your betta's eggs!
Bettamax to treat the breeders wounds and torn fins after they are done spawning
1 oz of brine shrimp eggs so you can hatch then and feed your fry as they grow
Freezed Dried foods 1oz of blood worms and 1oz of brine shrimp, for a balanced and varied fry nutrition, free of bacteria and parasites. Easy to crush between your fingers and feed your growing fry (8 weeks and up)
1 vacuum cleaner to clean your fry tank and vacuum uneaten foods before they rot and cause bacterial outbreaks, which can kill fry.