Thank you for viewing. This is a set of LEGO Technic sensors. 45604 Distance Sensor 45605 Color Sensor 45606 Force Sensor These are used items, so please check the images and purchase accordingly. Please note that we cannot sell these items separately. Discounts are available for combined shipping with other items. Shipping will be via Mercari's anonymous, trackable delivery service. Depending on the item, there is a possibility of changing between Rakuraku Mercari and Yu-Yu Mercari delivery services. We will continue to list LEGO-related products in the future, so thank you for your support.