An apparatus, method, and computer program product for an interactive toy vehicle that provides new structures and combinations of features for enhancing education and amusement, particularly for an improved small-scale vehicle toy that produces feedback directly related to the amount of a child’s input. A protective shroud covers the display, except for the viewing lens, and covers the arm. When a command, such as an add breakpoint command is received, the address of the breakpoint is compared to the protected range, and if the address is within the protected range, the breakpoint is not set. The integrated portable checkpoint system provides security screening and inspection equipment with increased operational capabilities in one fully integrated package. The axial disk is preferably positioned substantially in the middle of the overall length of the turbine shaft. The different show is achieved by using different slopes for transfer function signals for the first and the second ranges of positions of the FNR lever.