Battle and defeat your opponent with the X-Battlers X-Thrasher Building Set from K'NEX! This fun hammering vehicle is bound to crush the X-Saw Attacker. With 100 classic and micro K'NEX rods and connectors create a vehicle with forceful hammering action. Push the X-Thrasher towards you opponent to activate the hammer action. Have a friend or sibling? Make sure to get X-Saw Attacker for the ultimate battle royal! Help your kids develop a better understanding of STEAM with this building toy. As they click the parts together and discover how the building system works. K'NEX rods and connectors are responsibly made in America at a landfill-free, zero-waste green manufacturing facility in Hatfield, Pennsylvania. If you need a replacement for any broken or missing part, or for any other reason, just give us a call, and we will get you what you need so your child can get back to building as soon as possible. Interacts with X-Saw for the ultimate battle royale! - sold separately. - BATTLING ACTION: Set comes with 100 classic and micro K'NEX parts and pieces. - EASY-TO-FOLLOW INSTRUCTIONS - This set comes with color-coded, easy-to-follow instructions. - Includes: - 17064 - Interacts with X-Saw for the ultimate battle royale! - sold separately - FUN FOR ALL: Perfect for builders ages 7 and older.