Lanell Mayberry and some of her prekindergarten class pose with their recycling project Rachel, a full sized robot made entirely of recyclable products at Marine Corps Logistics Base Barstow's Child Development Center, April 27. The class constructed Rachel while being taught about the importance of the three R's: reduce, reuse, and recycle. - Lanell Mayberry and some of her prekindergarten class pose with their recycling project Rachel, a full sized robot made entirely of recyclable products at Marine Corps Logistics Base Barstow's Child Development Center, April 27. The class constructed Rachel while being taught about the importance of the three R's: reduce, reuse, and recycle.