Screw Nut Building Blocks Educational DIY Assemble Toy for Kids

Product DescriptionFun educational screw nut building blocks. Children can twist assemble and splice freely to train hands-on skills logical thinking and spatial cognition. Made of premium safe material smooth edge no burr child friendly for early learning and daily entertainment.Two package specifications available:

1. 10 Pairs per bagSize: 20×10×14 cmWeight: 123 g

2. 20 Pairs per bagSize: 20×10×14 cmWeight: 240 g

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