Product # RCAN500 is a package of two halves or one Adam Bomb. They are only currently available in olive green. This product code does not contain the drop mechanism. The mechanism is sold separately. No Assembly is required for the Adam Bomb. It is ready to drop. Just clip the halves together. Made of durable polyethylene plastic. They are light weight, approximately 26 grams empty without payload inside. Dimensions are 6 inches by 1.5 inches. This size translates into a 1/7 scale 500lbs bomb or a 1/12 scale 2000lbs bomb. The Adam Bomb sold individually should retail for $6.99 each. These are available now and are UPC coded for Point of Sale retailers. So Retailers please contact us.