Design and build amazing moving machines with this LEGO® Chain Reactions Kit. These ten swinging, spinning, rolling, lifting and dropping machines can be connected and rearranged to create a chain reaction. As one marvelous device leads to another to complete tasks in extraordinary ways, kids discover the physics behind the fun. With this idea book in hand and a handful of LEGO® bricks, the only other thing they'll need is a little imagination.

• Builds 10 moving machines
• Includes 80-page instruction book, 33 LEGO® pieces, 6 plastic balls, 6 ft. string, 8 paper ramps, 1 paper funnel ramp, 1 paper flag, 1 paper bucket and 1 platform
• Encourages fine motor dexterity, following instructions and scientific learning
• Suitable for ages 8 and up