This is a much better use of this room now that it's cleaned up. You can roll around as much as you want.
ーThis is a much better use of this room now that it's cleaned up. You can roll around as much as you want.
「部屋が片付いて有効活用できるね。ゴロゴロし放題だよ。」
much better use of ... を使って「有効活用」を表現できます。
now that で「(今や)〜なので」
roll around で「転がる・ゴロゴロする」
as much as you want「好きなだけ」を使って「〜し放題」を表現できます。
ご参考まで!