SHOP COLLECTIONS
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GT OPTICS CO
Grain Theory visual media.
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Aroundsquare
A collection of products from Aroundsquare featuring premium materials and dexterity based...
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VINTAGE GT
A collection of GT classics from the past.
Blog posts
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Beyblade X at NAKO rules and info
Grain theory is bringing Beyblade X to NAKO! Let’s get ready to let it rip! Beyblade X is both a super fun hobby as well as a competitive gear sport...
Beyblade X at NAKO rules and info
Grain theory is bringing Beyblade X to NAKO! Let’s get ready to let it rip! Beyblade X is both a super fun hobby as well as a competitive gear sport...
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About Jake Wiens
Jake Wiens is a pioneering figure in the world of kendama, known not only for his skill but for the creative energy he’s brought to the community for over a...
About Jake Wiens
Jake Wiens is a pioneering figure in the world of kendama, known not only for his skill but for the creative energy he’s brought to the community for over a...
GTXAO2
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Sold outGTXAO2 Knuckle Bone - Purple Heart
Regular price $24.99 USDRegular priceUnit price per -
Sold outGTXAO2 Knuckle Bone - Padauk
Regular price $24.99 USDRegular priceUnit price per -
BEGLERI - BRASS & EBONY
Regular price $35.00 USDRegular priceUnit price per -
Mala Bracelet - Kusunoki Wood + Titanium
Regular price $44.99 USDRegular priceUnit price per
CLASSICS MAY GO OUT OF STOCK BUT NEVER OUT OF STYLE.
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Sold outGT-16 Light Blue
Regular price $44.99 USDRegular priceUnit price per -
Sold outGT-16 Pink
Regular price $44.99 USDRegular priceUnit price per -
Sold outGT-16 YELLOW
Regular price $44.99 USDRegular priceUnit price per
New Grain
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GT-2 Precision Sword (2025 Reissue)
Regular price $44.99 USDRegular priceUnit price per -
Sold outGT-2 "KAMEYO" Edition
Regular price $55.00 USDRegular priceUnit price per -
GT- TF DEUX SWORD
Regular price $49.99 USDRegular priceUnit price per -
CANVAS BETTA 1 - BEECH Ken & Complete
Regular price From $34.99 USDRegular priceUnit price per
GT LIFESTYLE
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GT Coffee Mug
Regular price $19.99 USDRegular priceUnit price per -
Sold outGT Half Cap
Regular price $34.99 USDRegular priceUnit price per -
Caliper hoodie - Black
Regular price $64.99 USDRegular priceUnit price per -
Sold outKendama Takes you places tee
Regular price From $29.99 USDRegular priceUnit price per$32.98 USDSale price From $29.99 USDSold out -
Sold outSesh Utility Bag - け Edition
Regular price $49.99 USDRegular priceUnit price per -
Sold outSesh Utility Bag
Regular price $49.99 USDRegular priceUnit price per -
Caliper tote
Regular price $17.50 USDRegular priceUnit price per -
Bocce Tama
Regular price From $14.99 USDRegular priceUnit price per
THEORY BLOG
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Beyblade X at NAKO rules and info
Grain theory is bringing Beyblade X to NAKO! Let’s get ready to let it rip! Beyblade X is both a super fun hobby as well as a competitive gear sport...
Beyblade X at NAKO rules and info
Grain theory is bringing Beyblade X to NAKO! Let’s get ready to let it rip! Beyblade X is both a super fun hobby as well as a competitive gear sport...
-
About Jake Wiens
Jake Wiens is a pioneering figure in the world of kendama, known not only for his skill but for the creative energy he’s brought to the community for over a...
About Jake Wiens
Jake Wiens is a pioneering figure in the world of kendama, known not only for his skill but for the creative energy he’s brought to the community for over a...
MEET THE CREW
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CLAY FULLER
