Build it yourself connecting building blocks train set is sure to keep your little engineer occupied for hours. Simulate your child's imagination and creativity! Great toy designed to raise logical thinking ability. It also helps enhance the hand eye coordination in children. It also raises various aspects of comprehensive skills. This block train set has 169 pieces and will approximately 12 inch long when complete. Please note this is not a Lego Brand toy. Warning: Contains small parts. Not suitable for children under 6 years.