Build-A-Boat comes with 10 colorful pieces that allow you to build a fireboat, tug boat, freighter, oil tanker, fishing boat or the boat of your dreams. The secret lies in our hidden magnetic locking system that makes both assembly and disassembly a snap. Once you've built your boat, you're ready to launch her in your bathtub, sink, or swimming pool. Our waterproof hull guarantees a safe voyage and hidden wheels make her easy to push for those who are landlocked. We call it " Creativity on the high seas." Warning - Choking Hazard - Small Parts. Not for children under 3 yrs. Recommended for ages 3-6 years. Includes 10 various pieces to construct 5 different boats.