Build the robots of the future with this fantastic 12 in 1 solar hydraulic construction set put your problem solving skills to the test as you follow the detailed instructions to piece together the 212 parts and construct your very own hydraulic buddy each of the 12 robots you can create has its own unique way of operating, from the fearsome teeth snapping t rex, to a buggy that can weave through traffic keep yourself challenged by re assembling the kit whenever you feel like it choose from a hanging monkey, a bolshy bulldozer, a soaring pterodactyl, a monstrous t rex, a friendly robot, a speedy ostrich, a lifting forklift, a cool digger, a stinging scorpion, a zippy buggy and even a master and his dog what's more each of the 12 in 1 solar hydraulic construction set's options run completely on solar power so no need to buy batteries.