Power Treads are all-surface toy vehicles that flip, rip, and roam all over your home - no wheels needed! Design and customize your Power Treads in a snap. Then build your own custom course using Power Treads official tracks and other objects. The Power Treads Nitro Stunt Pack includes Nitro Climbers that connect, bend, and extend to achieve different tricks and stunts. Conquer uphill races or downhill chases with your own Nitro creations. This interactive STEM vehicle toy promotes creativity, problem-solving, and imaginative play. Compatible with first generation Power Treads packs (sold separately). Includes 30+ pieces! For ages 5 and older. NITRO STUNT PACK: Includes 30+ pieces with 1 Power Treads all-surface vehicle, modular track set, and Nitro Climbers for new tricks and stunts. ALL-SURFACE VEHICLES: Power Treads are all-surface vehicles that flip, rip and roam all over your home - no wheels needed! BUILD 1000+ COURSES: Build epic trails anywhere with official Power Treads tracks and other objects. Connect the tracks together for more control or expand them out to take your Power Treads "off-road".NEW NITRO CLIMBERS: Connect, bend, and extend Nitro Climbers to conquer uphill races or downhill chases for new stunts and tricks. INTERACTIVE STEM TOY: Promotes creativity, problem-solving, and imaginative play to keep kids engaged and entertained. AWARD-WINNING TOY LINE: Power Treads received the 2020 National Parenting Product Award, Toy Insider Hot Holiday Toy Award, and was named a 2021 Toy of the Year Finalist from The Toy Association. FOR BOYS AND GIRLS AGES 5 AND OLDER: Compatible with previous Power Treads packs. Batteries included (2 AAA).