NikolaToy™ Aircraft model Stirling engine model Material:Quartz (Hot sales) and 140MM high

and 140MM high

Product size: 24*12*10cm/9

Watch the arrow spin and rotate in continuous motion when the bow is pulled back

Technology: 219 parts are all exquisitely polished by special abrasive tools

Product Weight: 1500g

NikolaToy™ Aircraft model Stirling engine model Material:Quartz (Hot sales) and 140MM highDescription We have a production patent for this product, and selling it through any other channel is not our genuine product This Aircraft model Stirling engine model is the perfect choice for children looking to learn about thermodynamics. Its dynamic design and impressive features are great for learning and entertaining. It also makes a great display piece.