00:01Katelyn Clark just got a Christmas tribute that's almost impossible to believe.
00:06A teacher in Kentucky created a massive portrait of the basketball superstar using nothing but 5,000 colorful sticky notes.
00:14Here the Post-It Picasso has a whole lot to stick to.
00:18This one took around 5,000 Post-It notes. It's around 5,000.
00:235,000 little squares, adding up to one big Christmas creation at the June Buchanan School.
00:29The mural stands 21 feet high, and artist Tyler Watts spent an entire month just planning the design.
00:36He says it's the hardest mural he's ever made, especially getting Clark's fingers right.
00:41And here's the coolest part. Watts uses his artwork to teach second graders math.
00:4648 murals in 10 years, and this might be his most impressive yet.