View of Volks Electic seagoing car "Daddy Long Legs"  c1890
Image taken from an original postcard 
Gloss surface wood base
Cork Backing 
Heat resistant 
Single or pack or 4
Coaster Size 9.5 x 9.5cm 
Here is a short video of the "Daddy longlegs" in action 
https://www.youtube.com/watch?v=OYhHGwC9iiY