High-quality materials: wood material is safe, non-toxic and environmentally friendly.The wooden building blocks are sturdy and durable thanks to the material. Building block toy is safe for your children. Recognise colour: improve children's colour recognition, logical combination and hand-eye coordination. Children can learn to recognise colours and perceive a colourful world. Educational Tools: Children can learn the confidence of numbers with the wooden building blocks with more ease and fun on the small 1x1, which makes multiplication tasks easier. This is also a good interactive parent-child game. 10 10 multiplication table: high-quality multiplication platform & calculating aid including wooden cubes in different colours. Multiplication tables 1 to 10, the answer is located on the back of each tile. Multiple use: the learning toy is suitable for primary school students, maths enthusiastic and expectant rake professionals. It can also be used as a birthday gift, Christmas gift, travel gift.