If you purchase this item and an item priced at 300 yen as a set, we will discount the 300 yen item to 100 yen. There is no limit to the quantity, but we will only ship as many as will fit in a Yu-Packet Post Mini. Please contact us via a combined purchase request or comment. Bath Toy Vehicle Bath Ball Figure - Shinkansen 3-piece set. 500 Series Kodama Tsubasa Hayate I am not familiar with these train names, so they may be incorrect. Please check the condition in the photos. Connecting parts are not included. Thank you for viewing.