Guillow's is the recognized leader in quality scale balsa model airplane kits. Our model construction kits are the last word in scale realism for the super detail fan and light weight for those who build and fly. Each model is a small but faithful replica of an airplane widely known for deeds in wartime or present day popularity. Series 400 features 3/4" scale models of iconic military aircraft from World War II, with precision laser-cut parts for easier assembly.