RE: Eaglet or Seniorita
Both planes are good trainers. The Seniorita uses traditional stick construction and is a very labor intensive project with some finicky details in the cabin and wing center area. In other words, you will spend a long time building it. To get into the air quicker get a modern laser-cut balsa kit (not lite-ply) such as the Sig LT-40 or LT-25. Easy to build and fine flyers.