Features: brand new and high quality 70 blocks 100 counting sticks 3 chalk and 1 eraser, which can help kids to learn the math operation much easier, they can also paint with the chalk. Environmental friendly, non-toxic paint, no for sharp edges, safe wooden math tools for children. Kids can do mathematics by themselves, they can also write or draw on the other side blackboard, parents can for play the game with them to enhance the relationship with each other. Nice gifts for kids on their birthday, Christmas or Thanksgiving. The toy can develop kid's intelligence, ability of practical manual, and counting skills. Specifications: Main Material: Wood Size: Approx. 31x18x3.5 for cm/12.20x7.09x1.38 inch Package Includes: 1 Set Math Educational Toy note: Suitable age: over 7. Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.