Below are the available bulk discount rates for each individual item when you purchase a certain amount
Try to get the propeller into a basketball net or hit a picture of one on a wall. Adjust the angle as desired by sliding the support arm up or down. and then turn on the motor. The safety propeller will begin to spin fast and take off on its own for quite a long distance. Recommended for indoor flying as wind may blow it off its course. Requires  'AA' batteries.