Meccano-Erector Multimodels, 10 Model Set Jet 70% Metal / 30% Plastic Discover a world of real working mechanics with Meccano-Erector's 10-in-1 Flying set: make a Delta Wing, Drone, Helicopter, Floatplane, or 6 other aircraft! Display your completed Delta Wing or, take apart the durable metal pieces & use instructions to make each 6 other aircraft or design your own creation! The completed Delta Wing build measures 7 long by 6.25 wide by 2.75 tall. Your own creations are as big as your imagination! The Meccano-Erector Multimodels 10-in-1 Flying set is for ages 8+. No batteries required. 153 pieces, Real wrench & hex tool, Instruction sheet