The Strawbees Inventor Kit is designed to bring out your child’s creativity and make STEAM learning fun. With 450 pieces (250 connectors and 200 construction straws), it offers limitless possibilities for creating mechanical structures, creatures, and shapes. Strawbees kits are all about creativity and experimentation, with an open-ended approach that allows kids and teens to create almost anything they can imagine. To help them kickstart their construction skills, the Inventor Kit also includes an instruction manual with 21 projects plus tips and tricks for building. The Inventor Kit is designed for kids ages 6-12.