[Easy to Build] A little assembly is required. But its very easy! And the string can easily be tightened or loosened. [Wont Get Hurt] The arrowheads stick to the target mainly with the suction cup, which will dont hurt others when playing with it. (If the suction cup is deformed, just put it in boiled water and it will restore as before.) [Luminous Bow] The bow of the whole archery set is with a LED light, catching kids eye and attracting them to play with. [Role Play Accessories] This archery set is pretty suitable for your kids who want to run around with the toy playing an action hero. [Training Set] Kids can practise archery whenever and wherever (indoor/outdoor) they like with this bow and arrow set. Help your little archery lover to get the sense on how to stick the arrow on the target. Warning:Do not aim at eyes or face. Warning:Not suitable for children under 36 months Warning:This product is not suitable for running or skating.