• Gee Bee Model E Wooden Model Airplane by Dumas KWD 25
• Curtiss F9C2 Sparrowhawk Rubber Pwd Wooden Model Airplane by Dumas KWD 25.500
• Gee Bee Z Racer Rubber PWD Wooden Model Airplane KWD 27
• Dumas Products Inc. Pfalz D.III Rubber Powered Kit 18" DUM243 Wooden Kits Airplane KWD 21
• Dumas 1929 Commuter Boat Wooden Model Kit, 1/12 Scale, black, 0.5 Liters KWD 136