Explore-A-Bot Remote Design and build your own kid-friendly, motorized remote-controlled robots! Building instructions included for 4 remote-controlled robots, plus create your own designs! Children can improve critical thinking and problem solving skills while having fun building robots! 80+ page Builder's Guide with special building tips is designed for visual and hands-on learners! Requires 2 "AA" and 4 "AAA" batteries (not included).