Features: Unique set of educational toys with a strong emphasis on stem learning to help children build a solid foundation in Science, Technology, Engineering and Mathematics.IQ builder gift that you can give a child help them learn. Some of the most searched terms for kids toys that people have entered before buying IQ builder include birthday gifts for kids. Size: 49Pcs Stick: 37.2x1cm,23Pcs Ball 5.5cm Dia,Mat: 148x100cm