Creative DIY steam candle powered boat model for children to have a hands-on experience Model building kits, science experimental physics learning toy Train your children's observation capability, thinking and analytical skills A great DIY educational toy for kids and students to have a sense of achievement and learn knowledge through fun play Assembled Size L*W*H: Approx. 15*9*6cm / 5.90*3.54*2.36 inch Material: Wood Color: As shown in picture Please assemble the boat model as shown in the pictures Learning physics knowledge points: 1. Driving force conversion 2. Steam driving force 3. Action and reaction Package Includes: 3 Sets DIY Steam Boat Building Kits Toy Note: Since the size above is measured by hand, the size of the actual item you received could be slightly different from the size above This product contains small parts; not suitable for children under 3 years due to choking hazard