Features: Made of high quality rubber wood materials, sturdy and durable, the paint is eco-friendly and safe. With various bright color printing, increase your child's understanding of color, while promoting the parent-child relationship. Exquisite workmanship and good hand feeling, ensures it won't hurt the child's hand. Can improve your child's concentration and observation,also develop independent thinking ability. Designed for children to play and develop intelligence, also let them have a happy and memorable childhood. Specification: Material: Rubber Wood + Environmental Safety Paint Size: Diagonal-23cm/9.1in Opposite Side-20cm/7.9in Chess Piece Height-2.5cm/1.0in Base Height-1.3cm/0.5in Package Included: 60 x Checkers 1 x Base