Take your robot building smarts to the next level with the Advanced 14 in 1 Do-it-Yourself Solar Robot Kit. This solar powered robot kit can be transformed into 14 different modules. The robot modes include vehicles and bugs all in cartoon comic robot style. Movement is powered by solar panel and speed is determined by the intensity of sunlight it receives. There are two levels in building the robot kit, level one include: Turtle-bot, Beetle-bot, Quadru-bot, Boat-bot, Walker-bot, Dog-bot and Wheel-bot. After they master the entry level, can challenge their manipulative skills with second level: Roly Poly-bot, Auto-bot, Slither-bot, Surf-bot, Zombie-bot, Crab-bot, and Row-bot.Teach your kids about the science of solar and about renewable energy and green technologies while they are having fun.