The Strawbees Inventor Kit helps little humans become big inventors. Strawbees began in 2011, when inventor Erik Thortensson discovered scrap plastic parts from IKEA's lamp shade production could be used to connect straws to create fantastic constructions. Time to go Pro! The Inventor Kit is our second biggest kit perfect for testing more advanced creations. It features 400 pieces, and an instruction manual with 21 fun maker projects. Create a bird, a huge mechanical snake, or a replica of the pyramids of Giza. Enough pieces to start inventing really cool stuff or building with your friends. Recommended for ages 5 years and older.