A STEM Christmas party idea that focuses more on the religious part of the Christmas story. This idea helps your students think through problem solving, encouraging others, engineering challenges, and team work. When Jesus was born, all the angels came to Bethlehem. However, when it was time to go, one angel couldn't leave Jesus' side. When he finally did leave, he forgot the way to return to Heaven. Your students will help this angel find his way back to Heaven.