Upgrade Marble Run Building Blocks：It’s an upgrade version mini particle building blocks set. It can compatible with other similar size blocks. Perfect set of 168 PCS which can make vary simple models.
Intellectual Development, Challenge and Amusement: Mini marble run building blocks inspire creativity and curiosity ,Enhance imagination ,shape recognition and spacial three-dimensional thinking ability.DIY and building your unique set. Complete build and play fun game set.
Safe and Steady Assemble：Made from high quality ABS material, absolutely non toxi. The blocks are smooth-hand feeling and can stay together smoothly.
Easy to Carry: This is a mini size building blocks set. You can carry it with you and assemble it wherever you go.
Best Gifts: Ideal marble run gift for boys and girls. Best choice for children birthday and Christmas gifts!
