: All Nano V2 sets are compatible with each other, allowing you to build massive multi-story habitats.

: Each bug typically requires one AG13/LR44 button cell battery, which is usually included in the package. If you're interested, I can: Find replacement batteries or specialized carrying cases Suggest other robotic toys for similar ages

: If the bug lands on its back in an open area, its vibrating motor helps it flip back onto its feet.

: A three-level expansive set with a spiral tube and a "crow's nest" for bugs to overlook their environment. Available at Ippys Hobbies . Hexbug Nano V2 Neon Twister Go to product viewer dialog for this item.

Help you find to get more track for less money HexBug Nano V2: Infinity Loop and Orbit - Review

: A great entry-level set that includes one V2 bug and a small circular track for vertical climbing. Available at eBay. Hexbug Nano V2 Infinity Loop

The Hexbug Nano V2 Go to product viewer dialog for this item.