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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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Trustpilot
Zainab N.
1 week ago
Ali H.
1 day ago
Pooja R.
Khalid Z.
