DjuiinoStar 3" Spinning Top Base, Highly Polished by Hand, 30cm Focal Length (Single Concave), Diameter 3"/7.8cm, Thickness 0.55"/1.4cm, Weight 0.38lb

DjuiinoStar High Performance Spinning Top: Long Lasting (Best Record 11:39!), CNC Machined from Solid Stainless Steel, Great Time Killer, EDC Desktop Toy, for Serious Players

DjuiinoStar Premium Titanium Spinning Top: Lengthened Stem, Easy to Twirl, Decent Performance (4-7 Minutes), CNC Machined, Great Time Killer, EDC Fidget Toy DST-821

DjuiinoStar Premium Brass Spinning Top: 5-11 Minutes, Lengthened Stem, Easy to Twirl, CNC Machined, Great Time Killer, EDC Fidget Toy DST-805

DjuiinoStar Heavy Duty Gyroscope (Solid Stainless Steel Rotor): Initial Speed 8,000 RPM, Sturdy and Stable; Provides Very Good Gaming Experience; High-End Office Toy, Addictive Science Gear DG-5PRO-01

DjuiinoStar Spinning Top: Long Lasting (5-8 Minutes), with Glass Base (Diameter: 3.15"; Focal Length: -30cm; Edge Polished) and Carry Case, CNC Machined, Time Killer, EDC Desk Toy, Fancy Gift DST-806B

DjuiinoStar Most Classical Low Temperature Stirling Engine, Unique Coffee Timer, Best Gift Option, Educational Toy, Steam Engine Model DLTD-303

DjuiinoStar Premium Spinning Top, Brass Collar with Zirconium Stem, 8-10 Minutes, High Precision EDC Desktop Toy DST-811R

DjuiinoStar Vehicle Engine Model Assembly Kit (300+ Pieces Components, 5 Hours Assembly Time), Four-Stroke Straight-Four Gas Engine Working Model, 4 Cylinder Engine Kit DM13-1

DjuiinoStar High Performance Spinning Top, Spins Forever (10 Minutes is Just A Piece of Cake for Skilled Adults), High End EDC Desktop Toy DST-803

DjuiinoStar 4" Spinning Top Base (Rounded by Silicone), 30cm Focal Length (Double Concave), 100mm Large Gyroscope Station (Help to Prolong Your Average Spinning Time) DSTB-1005

DjuiinoStar Premium Spinning Top, Stainless Steel Collar with Zirconium Stem, 8-10 Minutes, High Precision EDC Desktop Toy DST-813R

DjuiinoStar Heavy Duty Gyroscope (Solid Metal Rotor): Sturdy and Stable (Provides Good Gaming Experience)! High-End Office Toy, Addictive Science Gear DG-5PRO-04

DjuiinoStar Vehicle Engine Model Assembly Kit (350+ Pieces Components, 3 Hours Assembly Time), Eight-Stroke Straight-Eight Gas Engine Working Model, 8 Cylinder Engine Kit DM118

DjuiinoStar Hot Air Stirling Engine, Solid Metal Construction, Electricity Generator (DHA-BG-405)

DjuiinoStar Hot Air Stirling Engine Assembly Kit: Spend 30 Minutes to Build Your Own Stirling Engine

DjuiinoStar Hot Air Stirling Engine, Solid Metal Construction, Electricity Generator (Light up Colorful LED), My First Stirling Engine

DjuiinoStar Heavy Duty Gyroscope (Solid Metal Rotor): Sturdy and Stable (Provides Good Gaming Experience)! High-End Office Toy, Addictive Science Gear DG-5PRO-06

DjuiinoStar Mini Hot Air Stirling Engine: A High Performance Pocket-Sized Working Model

DjuiinoStar Hot Air Stirling Engine (4-Cylinder), Electricity Generator (Light up LED), Ready to Run (Glass Heat Tube)

DjuiinoStar High Performance Spinning Top, Spins Forever (10 Minutes is Just A Piece of Cake for Skilled Adults), High End EDC Desktop Toy DST-808

DjuiinoStar 10cm Spinning Top Base, -30cm Focal Length, Edge Polished, 3.93" Large Gyroscope Station (Help to Prolong Your Average Spinning Time Greatly), DSTB-1004

DjuiinoStar High Performance Low Temperature Stirling Engine: Rotate Hours on A Thermos, Quiet, Great Coffee Cup Stirling Engine DLTD-203

DjuiinoStar Anti-Gravity Gyroscope, Last 7-15 Minutes on Hard&Smooth Surface (Best Record 26 Minutes), Waste Your Time Efficiently, EDC Desk Toy, Bottom Etched God Bless America Unique Gift DST-901