The Expert is the largest MAGFORMERS set with 400 components and best for those who are, or want to be, expert builders. If you can imagine it, you can built it with this set. Using only the best materials, MAGFORMERS High-Quality ABS plastic and 1/3" rare-earth NEODYMIUM magnet on side, the patented, colorful pieces have proven durability so your investment in educational fun will last for years and years of creative building and play time. MAGFORMERS conform to CE, ASTM, and EN71. Expert Set Satellite! Expert Set London Bridge Intelligent Magnetic Construction Set For Brain Development MAGFORMERS are easy to use and never frustrating. The patented intelligently designed MAGFORMERS magnets are housed in colorful, high quality ABS plastic. They always attract and never repel, so the moment any two pieces touch they connect. High quality magnets that instantly connect are sure to spark curiosity and play time is creative, stimulating, and constructive. Building with MAGFORMERS engages mathematical and scientific thought, deductive reasoning, and requires use of spatial awareness. Manipulating the powerful, colorful MAGFORMERS magnets IS educational, but despite being an educational experience, play is magical and FUN! 400 is KING! The Expert Set is the king of the MAGFORMERS sets. 400 pieces means that the only limit to what you can build is you! Build your dream castle, prepare to blast off into space, or get ready to control the skies with a helicopter or fighter jet. Build a city with the help of construction vehicles, and then keep it safe with police cars and fire trucks. The sky isn’t the limit with the MAGFORMERS Expert Set, your imagination is the only limit. Expert Features Instant connect magnets are instantly fun, and "expert" builders experience magical instant connect FUN! Storing MAGFORMERS is simple because every piece connects to another and stacks neatly. That means adults won"t find messy piles after play! Compact storage, easy set up, and quick clean up, make MAGFORMERS a perfect activity for anytime or place. Pack them in a small tote and wherever you go you"re bringing instant FUN. Bright and colorful pieces that appeal to boys and girls of all ages. Children 3+ can easily build with MAGFORMERS and becoming an expert only takes time and imagination. What"s In The Box? 400 Pieces: 94 Triangles; 88 Squares; 24 Diamonds; 20 Trapezoids; 24 Rectangles; 12 Pentagons;12 Hexagons; 24 Isoceles Triangles, 8 Super Triangles; 16 Super Squares; 76 Accessories; and 2 Figures Expert Set Rainbow City