Klutz Lego Chain Reactions Science & Building Kit $12.15 & More + Free Shipping w/ Prime

Amazon has Klutz Lego Chain Reactions Science & Building Kit for $12.15. Shipping is free w/ Prime, or free on $25+ orders.
Includes:

• 80 page instructions
• 33 LEGO pieces
• Instructions for 10 modules
• 6 plastic balls
• String
• Paper ramps

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