Joytech Precision Gyroscope Metal Anti-Gravity Spinning Top Balance Toy And Tippe Top Metal Flip Over Top Ja05-T039

JA05 FEATURES: Sizes: 62 88 mm / 2.44 3.46 in. Net weight: 85 g / 0.19 lb Center wheel material: metal Packing: iron box. PACKAGE CONTENT: 1gyroscope 1string 1base WARNING: Choking hazard small parts, not for Children under 13 years A BALANCE TOY: An excellent tool to teach gyroscopic inertia, the gyroscope will provide hours of creative play. Gyroscope technology is used in numerous applications of everyday life such as guidance and navigation systems in ships, planes and spacecrafts; in accurate mapping and survey work; in oil drilling and even motion picture making. T039 Tips: 1. It doesnt spin forever, but if you give it a good twist with your fingers, and if it doesnt land all wobbly, then it will spin for a really long time. 2.On a hard, smooth surface, it can rotate for longer. FEATURES: Diameter: 30 mm / 1.18 in Height: 36 mm / 1.4 in Net weight: 22 g / 0.05 lb Material: stainless steel. PACKAGE CONTENT: 1 flip over top