You are bidding on two solar wooden model kits ($36 value.)  One is a helicopter and the other is a biplance.  Suitable for ages 13 and up.

You are bidding on a Wooden Solar Model Airplane & Helicopter Kits

The Helicopter and Airplane wooden model kits contain parts, glue, solar panel and a motor.  Put the solar panel in the sun, and the models spin or play music. Great to demonstrate solar energy in action! 13 years and up. Windmill (C104) may require gluing for stronger stability.