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Chain Reactions Science & Building Kit


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  • Regular price $33.99
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  • Design and build 10 amazing moving machines - teach your bricks new tricks
  • Comes with 80-page instructions, 33 LEGO pieces, Instructions for 10 modules, 6 plastic balls, string, paper ramps, and other components
  • Includes an 80-page instructional book with crystal clear instructions
  • Includes more than 30 essential LEGO elements
  • Recommended for children ages 8+