Sandtrap Flat Redux Shell Challenge. Original Value $16982. For a harder challenge stick to a starter home budget - you should only spend $14518. RULES 1. Don't move walls or change foundation shape/size. 2. You should keep it on the original block but you can move the house on the block and/or change it's orientation 4. No adding external walls or foundations. 5. You can add roofing, fences, half walls and pillars. #ShellChallenge #SandtrapFlat #ReduxChallenge #Tzvar79