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Railway Ball Bearing 3D Assembly Model, featuring a roller coaster-like reciprocating motion that perfectly demonstrates mechanical transmission and reciprocating logic, inspiring creativity and innovation. Motor-powered, battery not included, ideal as a holiday gift. Moderate assembly difficulty, Combination Type A

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Regular price ₵485.00 ₵415.00
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Material: Plywood
Applicable Age Group: 14 Years+
Color: Beige
Item ID: RB3710236
Origin: Jiangsu,China
Store Informationrailway ball bearing 3d assembly model featuring a like reciprocating motion that perfectly demonstrates mechanical transmission and reciprocating and powered battery not included ideal as a holiday gift assembly difficulty combination type a Product details 0
railway ball bearing 3d assembly model featuring a like reciprocating motion that perfectly demonstrates mechanical transmission and reciprocating and powered battery not included ideal as a holiday gift assembly difficulty combination type a Product details 1railway ball bearing 3d assembly model featuring a like reciprocating motion that perfectly demonstrates mechanical transmission and reciprocating and powered battery not included ideal as a holiday gift assembly difficulty combination type a Product details 2railway ball bearing 3d assembly model featuring a like reciprocating motion that perfectly demonstrates mechanical transmission and reciprocating and powered battery not included ideal as a holiday gift assembly difficulty combination type a Product details 3railway ball bearing 3d assembly model featuring a like reciprocating motion that perfectly demonstrates mechanical transmission and reciprocating and powered battery not included ideal as a holiday gift assembly difficulty combination type a Product details 4railway ball bearing 3d assembly model featuring a like reciprocating motion that perfectly demonstrates mechanical transmission and reciprocating and powered battery not included ideal as a holiday gift assembly difficulty combination type a Product details 5railway ball bearing 3d assembly model featuring a like reciprocating motion that perfectly demonstrates mechanical transmission and reciprocating and powered battery not included ideal as a holiday gift assembly difficulty combination type a Product details 6railway ball bearing 3d assembly model featuring a like reciprocating motion that perfectly demonstrates mechanical transmission and reciprocating and powered battery not included ideal as a holiday gift assembly difficulty combination type a Product details 7railway ball bearing 3d assembly model featuring a like reciprocating motion that perfectly demonstrates mechanical transmission and reciprocating and powered battery not included ideal as a holiday gift assembly difficulty combination type a Product details 8


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