Discovery Kids 278 Piece Model Set, Build Your Own Digger and Excavator.- Complete with Tools and Instructions CULTIVATE LEARNING: Both in the classroom and at home you can help foster a love of learning. Help children question how and why by assisting them in building their own digger or excavator. INSPIRE: Children are able to explore the world around them by constructing their own machines. EDUCATIONAL TOYS: Not recommended for children under the age of 8 years. CONTENTS: This kit comes complete with everything you'll need to build your own digger and excavator. The box contains 278 metal pieces, tools, and an instruction booklet. RECOMMENDATIONS: Makes a great holiday or birthday gift. Wonderful for use in the classroom or at home.