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Goliath Boomtrix Showdown Kinetic Metal Ball Chain Reaction Stunt Kit - Fun - Educational - STEM, includes Giant ramp tower that can release up to 15 balls at once
LEGO Chain Reactions (Klutz Science/STEM Activity Kit), 9" Length x 1.06" Width x 10" Height
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Anjali K.
1 month ago
Abdullah B.
3 weeks ago
Yusuf A.
Ravi S.
2 months ago
