Barnacle Bill's Home Pregnancy Test
Wikisimpsons - The Simpsons Wiki
Barnacle Bill's Home Pregnancy Test is a pregnancy test.
History
Homer bought Barnacle Bill's Home Pregnancy Test to Marge when she thought she was pregnant for it cames one with a free corncob pipe. The test shows it's a baby if it's blue and purple if isn't. The color became pink so she was visit a real doctor instead.
Appearances
Episode – "I Married Marge" 
Book – The Simpsons Uncensored Family Album 
Merchandise – Simpsons Mania! (Inkworks) Simpsons Mania
