|Age Range||> 6 years old|
|Block Size||Small building block（Compatible with Lego）|
|Warning||can no eat|
|Model number||18404 76138 76537|
|Shape||L spring,Hard spring,Soft spring|
|Feature 1||Building Blocks Self-Locking Bricks|
|Feature 2||Technology accessories Multiple sizes Technic Bulk Bricks|
|Feature 3||Educational toys for children boys girls|
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About after sales:
All parts are quality checked before shipping, don't worry. If you have any problems while using our products, please contact us before leaving the feedback or file a dispute, we will do our best to help you solve the problems. Thank you for your understanding.