A Mouse Derby to benefit Gary Brinkmann and his battle with ALS takes place May 7 at Karban’s Knotty Pine, 4569 Buss Branch Road, Paderborn. Doors open at 6 p.m. with the mouse derby beginning at 7 p.m. There will also be auctions, 50/50 and gun raffle and draft beer and soda are included. Bring your own snacks. Admission is $25. For ticket or sponsorship information, or to donate auction items, contact Heather Middendorf at 618-910-0407 or 618-476-9393 or by emailing heather@middendorfandreuss.com