This is a very complex mechanical kit! You will have a lot of fun building it! This metal Inchworm will "inch" its way across a table or floor when completed. Everything you need to build it is included in the box. Includes: Inchworm, IR remote control, and instructions. Also includes a wrench and screwdriver! Language is Japanese pictorial style. English instructions are available below. Requires: Six (6) AA batteries (not included.) NOTE: See the Components: Batteries section for nice deals on batteries! 1 Each Inchworm RASMIWRetail: $130.00Our Price: $109.99 Inchworm English Instructions (PDF) Copyright © 2003-2009 E-Clec-Tech. All rights reserved. All other materials and logos are copyrighted by their respective owners, or companies.