Plastic made in bright blue orange and white. Build 10 solar power science projects. Construct a helicopter robotic ride windmill fan and space explorer. Includes a color poster. Recommended for children ages 8 and up. Teach your child the power and fun of solar energy with the NSI Smithsonian Eco Science. Your child will be able to build 10 solar powered science projects including a helicopter robotic ride windmill fan and space explorer. Made from strong and durable plastic this toy is recommended for children ages eight and up and includes a colorful poster.