This is Revell 887122 Balsa wood.

FEATURES:

• All sheets and sticks are made from model grade Balsa
• Ideal wood for all types of modeling projects
• Suggested uses: airplanes, boats, crafts, model railroad, miniatures and much more
• Can easily be cut using a hobby knife to desired length and shape
• Unfinished and may be stained or painted to represent any wood type
• Carefully dried in special kilns, reducing the water content to leave a light wood with a high strength to weight ratio
• Using state of the art milling equipment, Revell Balsa assures you of the following:
  • Absolutely the most accurate thickness tolerances of ±.002
  • Five step inspection process to insure consistent quality