1. Improve color cognition, motor coordination, improve imagination, hands-on ability 2. Function: 4 colors LED light button, knob to adjust the brightness of the light, can make sound, fishing toys 3. Polished and smooth, will not scratch baby's hands 4. Material: wood 5. Weight: 0.3kg 6. Suitable age: 2 years old and above 7. Dimensions: 17.4 x 9.5 x 3.5 cm 8. Power supply mode: AA battery power supply (not included)