Item Number: 3153300
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Build a Combination lock Mechanism and Explore How it Works
Did you know that each combination lock is a puzzle? Discover how to crack the code with this Koontz lock kit. This 14 piece kit assembles easily without tools. Simple step-by-step instructions and activity book included. Part of the Koontz series of assembly kits for kids. Assembled model is made of recycled cardboard and measures 8" x 8" x 11".
For ages 8+.