Educational pincer knob, one-piece puzzle: Each box contains 1 wooden tray and 10 knobbed puzzle pictures. Sure to attract children above 3 Years: Suitable for Age 3 and above. Enjoy learning: Puzzles improves problem-solving ability, observation and concentration. It also develops finger muscles, hand-eye coordination and enables environmental awareness. Multiple skill enhancement: Enables Intellectual development, social skill development, sensorial development and Motor skill development. Safe and sturdy make: Made with high-quality plywood. Child- safe paints and smoothed edges for safety. Supports special needs: Suggested for children having Down Syndrome, Autism or any Learning Disability as prescribed by your therapist.