Klutz Lego Chain Reactions Science & Building Kit
- Nappa Silver award winner
- 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 Klutz certified crystal clear instructions
- Includes more than 30 essential LEGO elements
- Recommended for children ages 8+