All Available

Come To Papa Hoodie
Viakavish
$44.99
ABH Hoodie
FootofaFerret
$44.99
An Island T-Shirt
FootofaFerret
$24.99
New
Monstermon Playmat
Kindergarten
$17.99
New
Food Theory Apron
Theory Wear
$34.99
New
Ramen Champion T-Shirt
Theory Wear
$27.99
New
Flamin' Hot Theories T-Shirt
Theory Wear
$27.99
Garden Witch 3/4 Tee
Let Me Explain Studios
$34.99
Gamer Charlie Plush
Kindly Keyin
$29.99
All The Theories! Patch
Theory Wear
$9.99
Game Theory Advanced Science Graphic Tee
Theory Wear
$24.99
Peepachu Plush
Theory Wear
$32.99
"Game Theory Signature Science Slip Ons"
Theory Wear
$49.99
TheoryTECH Extra-Soft Active Hoodie
Theory Wear
$64.99
TheoryBOY Multi-Card Holder
Theory Wear
$19.99
Low Stock
3-Pack Pocket Theory Notebooks
Theory Wear
$14.99
It's TIME for a Theory! Game Theory Digital Watch
Theory Wear
$54.99
Checkerboard Common Sense Slip On Shoes
SomethingElseYT
$49.99
Knot Boot Leg Common Sense Edition T-Shirt
SomethingElseYT
$24.99
New
A Brief History Pin Set
FootofaFerret
$14.99
New
FootofaFerret Socks
FootofaFerret
$11.99
Limited Availability
The MatPat Signature Jacket
Theory Wear
$94.99
The S.S. LP T-Shirt
NicoB
$24.99 $12.00
Nightmare at Freddy's Socks
Theory Wear
$14.99
Spotlight T-Shirt
Theory Wear
$24.99