If you have any of this sets Magnetic Stick N stack, Playmags, PicassoTiles?? Magna-tiles?? Magformers?? Etc, Than this book is just for you. After the huge success of vol. 1 here comes Vol 2. with amazing new ides never published before. This book will get your kids to sit down and try to copy the ideas and they would absolutely love to see them built. If you liked Vol. 1 GUARANTEED you will love Vol. 2