E-Blox: Circuit Blox Fan Launch Challenge E-Blox Circuit Blox Fan Launch Challenge STEM.ORG Building Bricks Set Test your nerves with this Build your own Fan Launch Challenge game. Move a hook through a wavy wire maze. Don’t let the hook touch the wavy wire maze; because if you do, the fan will spin and launch high into the air... The steadiest hand wins!!! STEM.ORG Authenticated Educational Product Details: Teaches STEM fundamentals of electronics Build fine motor skills and stimulate creativity ALL parts are fully compatible with other major brick brands For Ages: 5+ Requires 3x 'AAA' batteries (NOT Included) LI Toy Game is a family-run business with a physical store in Kings Park, NY a strong online presence. We are closed on Mondays, and ship Tuesday - Saturday. We also offer local pickup at our store! We have an excellent reputation because we sell good stuff, describe it accurately, and take care of our customers! If you are unsatisfied with our transaction, please give us a chance to make it right before giving feedback or starting a return. We offer FREE RETURNS on most products! Items returned must be received in the same condition in which they were sent out, with all manuals, accessories and other items intact, and in original UNOPENED packaging. Thanks for looking, and have a great day!