Thingummy (Bowdon WA14)

I don't know what it is but it is 7' 6" long , 14 1/2" wide and 3 1/2" deep. It is made up of blue painted steel tubes of about 1/2" diameter with a deck of 1/4" 5 ply rivetted to cross straps. The tubes at the left hand end come to a point with a hole through, one of which has a bolt with a wing nut. At the other end the tubes do not meet and should be capped off but there is only one of the four left. Suggestions so far are a children's slide or a rather long dog ramp.