Details Your child can engineer his own projects when writing out invitations with this toy train return address stamp. Our stamps are made with the best materials and can be customized in just one day. Order this stamp as a gift or for yourself. Ink is non-toxic and will last for thousands of impressions. Most orders ship within 24 hours! Why buy extra ink? Your kids stamp will last for numerous impressions, much longer than the ink that comes with it. Purchasing extra ink with your stamp will ensure that you will get full value from your stamp for years to come. Order ink with your stamp and don't run out of ink on the day you need it the most!