PRANKS GALORE!!!

Canary Creams - temporarily transfigures the user into a canary.(5Galleons)

Decoy Detonators, when dropped they run away and explode out of sight, giving the person a diversion if necessary.(10Galleons)

Edible Dark Marks - "They'll make anyone sick!"(5Galleons)

Extendable Ears - used to hear voices at the other end of the ear(10 Galleons)

Headless Hats - make the wearer's head invisible (along with the hat itself).(10Galleons)

Love Potion - Work for up to twenty-four hours at a time, depending on the weight of the boy and attractiveness of the girl. Like all love potions the effects can increase the longer they're kept.(20Galleons)

Patented Daydream Charms, virtually undetectable highly realistic thirty-minute daydreams. (side-effects can be: slight drooling and a dazed expression)(20Galleons)

Peruvian Instant Darkness Powder - When thrown into the air, this powder covers everything around it in darkness, which cannot be penetrated by spells like Lumos or Incendio.(20Galleons)

Punching telescopes - when squeezed, gives the user a black eye which is almost impossible to remove(5Galleons but 10 Galleons with the removal cream)

Pygmy Puffs - miniature puffskeins with pink or purple fur (5Galleons)

Quills - in Self-Inking, Spell-Checking and Smart-Answer varieties. (5Galleons each)

Reusable Hangman - (5Galleons)
Shield Products: Comes in Hats, Cloaks and Gloves (10Galleons each)

Skiving Snackbox - Snackbox Includes 3 of each of the following: Fainting Fancies, Fever Fudge, Nosebleed Nougat, Puking Pastilles (3Galleons seperate 5 for a set)

Ton-Tongue Toffee - when eaten, they cause the tongue to rapidly swell and turn purple.(3Galleons)

Trick wands - turn into a variety of unexpected things when waved.(5Galleons)

Weasleys' Wildfire Whiz-bangs - Virtually indestructible fireworks that are guaranteed to provoke hours of fun and merriment.(20Galleons)