Your little builder will find hours of fun with this construction set packed with everything you need to build a variety of interactive contraptions. A 24-page instruction book is included for guidance and inspiration as your engineer-in-training concocts masterpiece of masterpiece with this curious mix of ramps, marbles, doodads and more. Warning: Choking hazard. Small parts. Not for children under 3 years Ages 8 and up Includes 48 construction pieces, five metal marbles and one 24-page instruction booklet Wood/metal/plastic Spot clean Imported