"well," went on cap'n bill, "fer some time past i've been workin' on a boat fer ozma an' her friends, so they could go sailin' on that lake jest outside the emerald city. i had everythin' i needed 'cept fer some tools, so the wizard lent me some o' his thet get the work done extra fast, 'cause they're magic tools. the boat's nearly finished a handsome craft if i do say so myself. all she needs to make 'er trim is a coat o' paint. i thought it would be nice to have 'er finished as a sort of surprise fer ozma when she returns from this here fairy conclave, so i asked the wizard to lend me his magic paint bucket and brush the bucket always stays full, no matter how much paint you use from it, an' the brush paints any color you want from the same bucket o' paint. well, the wizard jest gave me a funny sort o' look and walked away, mumblin' somethin' about bein' busy and havin' somethin'