Features: brand new and high quality Colorful Stacking Blocks: With colorful plastic balls & disassembled block to stimulate kid' interests, encourage and enhance brain development, exercise and stimulate their hand & eye coordination. Qualification Material: Made by high quality ABS plastic, well polished smooth edges as well as wear-resistance, eco-friendly water color painted with safe friendly enough to your kids playing. Interactive Function: Safety and interesting marble run track toy with multi-color pieces blocks, kids need to DIY the track firstly, easy to stimulate kids' concentration and with good educational training for them, improve their build skills as well of abilities of for creative and imaginations, also a great interactive parent-child playset to build the relationship between them. DIY Track Toy: The construction blocks contains 105pcs blocks including various shape tracks, whirlwind track, connectors as well of colorful plastic balls, freely combined by kids own to for creative various tracks, the toy require great patience, kids need to concentrate, through playing to improve their building and balancing skills, hand-on ability to DIY their own building blocks. for Ideal Gift for Kids: Suitable for kids as birthday gifts, Christmas gifts, and create beautiful buildings what they dreamlike shape to for play with, due to the small pieces contains in the package, the toy is not suitable for baby below 3 years old, over age need to for play under adults supervision. Specifications: Product Dimension: approx. 45 x 33.8cm/17.7 x 13.3 inch Packing Dimension: approx. 31.6 x 22.8 x 8cm/12.44 x 8.97 x 3.15 inch Material: Plastic Color: As pictures shown Net Weight: approx. 608g/1.34 lbs Note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Set Marble Run Building Block(105Pieces)