Features: High Quality Materail - Made of natural wood and painted with eco-friendly and nontoxic water based paint, these building blocks are burr-free, odorless and safety for kids to for play with. Easy to Play- No batteries and other tools required, children just need to be patient, which can not only develop their hand-eye coordination ability, but also their patience. Educational Gift- By assembling and building different building blocks form, it can not only develop students' hobby greatly but also inspire their imagination and creativity. for Ideal Reward- With unique and colorful shape design, these rainbow building blocks can be the for ideal reward for kids, making them great educational gift for kids. Relationship Bonding- Parents and kids can work together to finish it, during which they can enjoy the process of family collaboration. Kids and their friends can also work together to complete it. Package Includes: 1x Rainbow Building Blocks Specifications: Material: Wood Shape Type:Colorful rainbow whirlwind disc/Macaron color whirlwind disc/Flowering Mandala Disc/Geometric structure rainbow disc/Three-dimensional Hundred Screen for Triangle/Plane Hundred Screen for Triangle Net Weight: 500g 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.