NFSTRIKE 452Pcs Plane Helicopter Model DIY Stainless Steel Metal Assembly Building Block Kit Steam Stem Toys for kids boys Color:1 Package included: 1x servo fixed

Package included: 1x servo fixed seat

1 x Storage Bag

Para board size: About 80 * 50mm

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Recommended Age: 8+

NFSTRIKE 452Pcs Plane Helicopter Model DIY Stainless Steel Metal Assembly Building Block Kit Steam Stem Toys for kids boys Color:1 Package included: 1x servo fixed452Pcs plane Shape DIY Stainless Steel Metal Assembly Building Block Kit Educational Steam Stem Toys Features: . This metal building block is a novice difficulty level and is ideal for first time users. It encourages children to learn engineering and critical thinking skills during construction and takes about 3 5 hours to complete. . There are 452 small parts in the product. This set is suitable for parents and children to complete. Record each