Assemble the ultimate nano flash habitat, nanotopia! With tons of snap-together track pieces and obstacles, there has never been a more vibrant playset to let your nano loose in! As they move at twice the speed, the three newly designed flash nanos included light up when set into motion. Three merry-go-round obstacles and four additional regular nanos are included! Collect, connect, and construct with nanotopia from HEXBUG! 10 LR44 batteries required. (included) 130+ Pieces