An attachable delivery device is configured to be carried by a delivery vehicle and to deploy a payload at a target. The attachable delivery device includes a base configured to house the payload. The attachable delivery device also includes at least one tape spring attached to the base. The at least one tape spring is configured to deploy from a first transport position to a second deployed position. The attachable delivery device also includes a buckle contact configured to attach to the base and to move relative to the base. The movement of the buckle contact relative to the base is configured to cause the at least one tape spring to deploy from the first transport position to the second deployed position.