B2/B3 Base Holders for DIY Physics Space Ball Roller Coaster (15pcs-Set)

B2/B3 Base Holders for DIY Physics Space Ball Roller Coaster (15pcs-Set)

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B2/B3 Base Holders for DIY Physics Space Ball Roller Coaster Features Brand New B2/B3 Base Holders for DIY Physics Space Ball Roller Coaster Replacement part for DIY Physics Space Ball Roller Coaster Made for high quality plastic material Suitable for 1-8 grade Physics Space Ball Roller Coaster B2/B3 Base Holders for DIY Physics Space Ball Roller Coaster Specifications Dimensions: 0.00.00.0mm Weight: 15.0 g B2/B3 Base Holders for DIY Physics Space Ball Roller Coaster Package Included 15 x B2 Base Holders (Large) 15 x B3 Base Holders (Small)