Best Buy has the HEXBUG VEX Robotic Arm Robotics Building Kit (406-4202) for $12.49 with free in-store pickupor with free shipping with My Best Buy (free to join). Includes 350+ snap-together pieces. Also on sale:

• HEXBUG JUNKBOTS Large Dumpster for $7.49
• HEXBUG - VEX Off-Road Truck for $25