Manufacturer Arachnid Availability Arachnid Top Challenge Dart Circuit Board Part #25908, complete, untested, assume it will need work. $150.00 Qty: Add to cart Email a friend Question about product? Add to wishlist Details Original Arachnid Top Challenge Dart Board circuit board. Boardset appears to be complete and in very good condition. It is truly untested, it was found in a box of boards from a parts clean-out. Board is sold as-is. See picture for more details, we believe this is from a Top Challenge Dart Board game.