Specifications:
Material: Aluminum Alloy + Stainless Steel + Engineering Plastics
Process: Anodized
Product size: 247*94*227
Parts .: 219pcs
Charging voltage: DC 5V
Lithium Battery Capacity: 3.7V, 450mAh
Charging time: 2 hours
Working time: 1 hours                                            
Assembly time: 2 hours
G.W.: 1.3KG
Assembly difficulty: Ⅱ grade
Gift Box Size: 262*51*215mm
Suitable: above 14 years' old

Specifications:
Material: aluminum alloy+stainless steel
Process: Anodizing
Product size: 220 * 271 * 114 mm
Parts: 100 + pieces
Charging voltage: DC 5V
Lithium battery capacity: 3.7V, 800MAH
Charging time: 2 hours
Working time: 1.5 hours
Assembly time: about 2 hours
Assembly difficulty: Level III
Gift box size: 287 * 212 * 84mm
Weight: 0.6kg
Suitable age: over 14 years old

Specifications:
.Material: Aluminium Alloy
.Color Process: Anodic Oxidation
.Power Supply: DC 5V
.Blocking Function: Automatic power off when encountering external resistance
.Number of Parts: 240PCS (about 1-2 hours to assemble)
.Product Dimensions: 8 x 8 x 35cm
.Product Weight: 250g
.Package Dimensions: 24.4 x 19.3 x 7cm
.Package Weight: 260g
.Paking: Graphic Carton

Specifications
Material: Aluminum Alloy + Stainless Steel
Process:Anodized
Product size:300*77*125mm
Parts:295pcs                                                    
Track weight:200g
Number of tracks:2 sections
Track length:32cm
Charging voltage: DC 5V,
Lithium Battery Capacity:3.7V, 450mAh
Charging time:2 hours                                            
Working time:1.5 hours
Assembly time:about 4 hours
Assembly difficulty:IV grade
Metal Box Size:342*242*120mm
G.W:2.4 kg

Specifications:
Material: Aluminum Alloy + Stainless Steel
Process: Anodized
Product size: 128*51*190mm
Parts: 106 pcs
Working time/cycle: 5~10 mins
Assembly time: about 40 mins
Assembly difficulty: Ⅱ grade
Metal Box Size: 290*198*60mm
G.W.: 1.7KG
Suitable age: above 14 years' old

Specifications:
Material: Aluminum Alloy + Stainless Steel
Process: Anodized
Product size: 95*66*173mm
Parts: 67pcs             
Lithium Battery Capacity: 3.7V, 450mAh
Working time: 1.5 hours
Charging time: 2 hours                                            
Assembly time: about 1 hours
Assembly difficulty: Ⅱ grade
Gift Box Size: 213*86*130mm
G.W.: 0.8kg                                                    
Suitable age: above 14 years' old