Cartoon Winnie the Pooh Ball-Point Pen Character, 31 pcs Building Blocks Assemble Educational Toy, Great Gift for Boys and Girls. Nano Blocks Pen Unisex Diamond Building Blocks Ball-point Pen with Cartoon Character Blocks. creative design that combines practical applicability of the pen and enjoyment of building blocks. The best welcome gift for the children Fun toy provides hours of play for kids Thinking skills training for training child hands-on ability. Manufacturer recommended age: 6 years and up hands-on ability a good tool