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Great Gizmos Power Circuit Door Bell

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£24.99 Best Offer by: amazon.co.uk marketplace See more offers

Brand: Great Gizmos

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  • Product Details

    Explore key scientific principles like energy force and friction while building your own educational projects. Construct a sonic door bell and expect everyone to ring before entering. Learn how simple material can form strong structures. No glue or tools required. For ages 8 and up. Material: Plastic metal paper. Overall dimensions: 2.5 H x 3.5 W x 3.5 D