The 500 series has a switch lever that doesn't move. The E2 series has no switch lever. Both are non-running and are junk items. As these are used items, there are signs of use such as scratches, dirt, and aging. Please make your judgment based on the images. ◯ The tire rubber and couplers will be provided as they are, so if necessary, the buyer is responsible for purchasing and replacing them. ◯ Shipping will be in simple packaging. ◯ I am not familiar with these items, so there may be errors in the model numbers, etc. Please be sure to check the images. Please purchase if you have no objections to used items. No price reduction is possible. Simple cleaning has been done by wiping them down. Please ask any questions before purchasing. In the event of a return, the item must be returned. (Basically, shipping is anonymous delivery.) Shipping method may be changed. If you have a preference, please send a message.