I don't know why I didn't do this sooner...but this is basically all you need to know about the 31 weapons of the game.

Gameplay Links

<Walkthru> | <FAQ> | <Button functions> | <Item guide> | <Armor Guide> | <Accessory Guide> | <Special Item Guide> | <Weapon Guide> | <Store Guide> | <Yoshi Cookie Guide> | <Allies' Magic Guide> | <Enemy Magic Guide> | <Major Enemies Guide> | <Bowser's Keep Puzzle Guide> | <Psychopath Guide> | <Secrets> | <Glitches> | <VIEWER Tips> | <Rumors> | <Main Page>

Weapon Person who uses it Attack Power Price Where found/bought
Hammer Mario 10 find it defeat Hammer Bros at beginning of game
Noknok Shell Mario 20 find it Guy at Midas River gives it to you
Punch Glove Mario 30 36 Moleville
Masher Mario 50 find it Booster's Tower, jump from high onto the see-saw with the bob-omb on it
Super Hammer Mario 40 70 Marrymore
Troopa Shell Mario 50 90 Seaside Town
Hammer (lucky) Mario 0 123 Seaside Town, makes "lucky" appear if timed right
Mega Glove Mario 60 102 Nimbus Land
Ultra Hammer Mario 70 find it Smithy Factory
Lazy Shell Mario 90 find it Rose Town, help gardener
Froggie Stick Mallow 20 earn it Give Cricket Pie to Frogfucius in Tadpole Pond
Cymbals Mallow 30 42 Moleville
Whomp Glove Mallow 40 72 Marrymore
Ribbit Stick Mallow 50 86 Seaside Town
Sticky Glove Mallow 60 98 Nimbus Land
Sonic Cymbals Mallow 70 find it Bowser's Keep
Finger Shot Geno 12 find, or pay 50 coins get in Rose Town inn by talking to Gaz or buy at Moleville
Hand Gun Geno 24 75 Marrymore
Double Punch Geno 35 88 Seaside Town
Hand Cannon Geno 45 105 Nimbus Land
Star Gun Geno 57 find it Bowser's Keep
Chomp Bowser 10 find it Booster Tower, get by looking at Booster's family in order of generation (1st, 2nd, etc.)
Chomp Shell Bowser 9 60 Marrymore
Hurly Gloves Bowser 20 92 Sea, Sunken Ship
Spiked Link Bowser 30 94 Monstro Town
Drill Claw Bowser 40 118 Bowser's Keep
Slap Glove Princess 40 already equipped -
Parasol Princess 50 84 Seaside Town
War Fan Princess 60 100 Nimbus Land
Super Slap Princess 70 find it Bowser's Keep
Frying Pan Princess 90 300 Buy as "metal plate" from Miners' Store in Moleville