Twelve-year-old Joseph Dees has been living with glioblastoma, an incurable brain tumor, for four years, enduring radiation, chemotherapy and many surgeries. Legos were among his only pleasurable pastimes, and now Joseph is bringing that joy and distraction to other kids.

Earlier this year, Joseph and his family began buying and distributing boxes of Legos at the Cincinnati Children’s Hospital Medical Center. He went on to coin the name Building Hopes, a group that hopes to spur Lego drives across America. After the Legos from his recent drive are distributed, some 300 children will have received toys through his work.

Read the full story at PEOPLE.

Get The Brief. Sign up to receive the top stories you need to know right now. Please enter a valid email address. Sign Up Now Check the box if you do not wish to receive promotional offers via email from TIME. You can unsubscribe at any time. By signing up you are agreeing to our Terms of Use and Privacy Policy . This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. Thank you! For your security, we've sent a confirmation email to the address you entered. Click the link to confirm your subscription and begin receiving our newsletters. If you don't get the confirmation within 10 minutes, please check your spam folder.

Contact us at letters@time.com.