STEM DIY Telegraph Machine Model Physical Science Experiment Equipment Educational Teaching Tool for School Laboratory Training

Fun STEM project: Build a telegraph machine. Can you send your parents an "I love you" message in Morse code?All-Inclusive: Our STEM kits come with all the necessary materials, tools for a successful project.Learning Through Play: We want to make it fun, easy and enjoyable for families to spend time building, exploring and creating together.Great Gifts: Spend quality educational time together!color:As shownMaterial:pcbPackage Contents:1 x stem kits(Not included 4 AA batteries batteries)Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.