The nature bound ant treehouse gives kids the ability to watch nature unfold right before their eyes. Pour in the special ant tunneling sand and watch as ants and insects take action. Watch as they tunnel, dig and store food. Use ants from outside or order using the discount coupon included. Includes feeding stick, instructions, sand and coupon. Even includes a special tube so kids can connect two or more ant treehouses side by side. No batteries required. Optional ants sold separately or use ants found in the yard.