睿思 - 重力轨道球建筑配件拓展装 GraviTrax Expansion Kit - Building 贝亲 Sleeves & Side Panels: 95%

Sleeves & Side Panels: 95% Organic Cotton / 5% Elastane

so you can smoothly step up from straw mugs to drinking cups

Stage 1 suites from 6 month+

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睿思 - 重力轨道球建筑配件拓展装 GraviTrax Expansion Kit - Building 贝亲 Sleeves & Side Panels: 95%The Building Expansion offers over 25 additional elements to expand your track vertically. Youll increase the action when increasing the height of your run. Experiment with the combination of height tiles, base plates, free falls, switches and even another level. See how high you can build your track before getting the marbles to the finish. GraviTrax Starter Set required. Contains: 2 Base Plates, 1 Transparent Level, 8 Large Height Tiles, 4 Small