🩷 free gift with qualifying carts
🌎 Free worldwide shipping*
🌳 we plant a tree for every order
💸 Buy now pay later with Klarna
as soon as you checkout, we'll plant a tree. read more
your order will be hand-printed in the uk
trusted by hundreds of thousands of customers each year
spend more and choose a free gift
Yay! you can claim a free gift >
Your cart is empty
Shop allCart updated ()
Calling all young witches and wizards! Show your love for the magical world of Harry Potter with our 'I Solemnly Swear' kids t-shirt. Perfect for any aspiring wizard or witch, this t-shirt is available in sizes from 7 to 14 years old.
Made from 100% polyester, this t-shirt is lightweight and comfortable, perfect for wearing while practicing your spells or exploring the wizarding world. Choose to have the design printed on either the front or back - the choice is yours!
Support sustainable fashion with Fun Cases - for every order placed, we will plant a tree to help protect our planet. Plus, enjoy free worldwide shipping on all orders. Designed and hand-printed in the UK, our Harry Potter kids t-shirt is the perfect addition to any magical wardrobe.
Fun Cases cat_Harry Potter clothing cotton harry herminoe hogwarts i Kids T-Shirts magic muggles potter ron shirt short sleeve solemnly swear t t-shirt tee top type_T-Shirts wizard 42089901326507 7 - 8 Years 12.99 //funcases.com/cdn/shopifycloud/shopify/assets/no-image-2048-5e88c1b20e087fb7bbe9a3771824e743c244f437e4f8ba93bbf7b11b53f7824c.gif https://funcases.com/products/i-solemnly-swear-harry-potter-kids-t-shirt?variant=42089901326507 InStock 7 - 8 Years 42089901392043 9 - 10 Years 12.99 //funcases.com/cdn/shopifycloud/shopify/assets/no-image-2048-5e88c1b20e087fb7bbe9a3771824e743c244f437e4f8ba93bbf7b11b53f7824c.gif https://funcases.com/products/i-solemnly-swear-harry-potter-kids-t-shirt?variant=42089901392043 InStock 9 - 10 Years 42089901457579 11 - 12 Years 12.99 //funcases.com/cdn/shopifycloud/shopify/assets/no-image-2048-5e88c1b20e087fb7bbe9a3771824e743c244f437e4f8ba93bbf7b11b53f7824c.gif https://funcases.com/products/i-solemnly-swear-harry-potter-kids-t-shirt?variant=42089901457579 InStock 11 - 12 Years 42089901523115 13 - 14 Years 12.99 //funcases.com/cdn/shopifycloud/shopify/assets/no-image-2048-5e88c1b20e087fb7bbe9a3771824e743c244f437e4f8ba93bbf7b11b53f7824c.gif https://funcases.com/products/i-solemnly-swear-harry-potter-kids-t-shirt?variant=42089901523115 InStock 13 - 14 Years