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Description

This 13th birthday shirt is a funny and memorable gift idea for geeky kids who love math, and either turning eleven or are 13 years old. If your child just learnt how to do square root, even better. This is the perfect tee for your 13-year old!

Tags: best-birthday, geeky, science, algebra, mathematic

Description

This 11th birthday shirt is a funny and memorable gift idea for geeky kids who love math, and either turning eleven or are 11 years old. If your child just learnt how to do square root, even better. This is the perfect tee for your 11-year old!

Tags: mathematics, science, mathematic, algebra, math

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