500PCS 3D DIY building block rainbow double spiral track 679-708
Product Features:
- This double spiral track is combined with 500 pices of building block which includes 4 rainbow rolling balls
- DIY assembly table games, one of the best toys to train kids’ hands-on ability
- Put the rainbow running ball from the top, it will be free running to the bottom
- The best option for the parent-kids interactivities, also good options as gifts
