The first robbery happened on Thursday, March 10th at 3:30 p.m. on East 65th Street between 3rd Avenue and Lexington Avenue.
The man approached a 12-year-old boy, pushed him against a wall, told him he had a gun and then stole his laptop.
The second robbery happened at 3:15 p.m. at Park Avenue and 83rd Street.
This time the suspect approached a 16-year-old boy, pushed him against a wall, told him he had a gun, and took his iPhone and cash.
The suspect is described as being a black man, 25-30 years old, 6'1" tall, and weighing 250 lbs.
He was last seen wearing a dark waist length coat with a white pinstripe across the shoulders and blue jeans with a dark baseball cap.
Anyone with information in regards to this incident is asked to call Crime Stoppers at 1-800-577-TIPS (8477).
You can also submit your tips by logging onto the Crime Stoppers website at WWW.NYPDCRIMESTOPPERS.COM or by texting your tips to 274637 (CRIMES) and then entering TIP577.
All calls are strictly confidential.