Thumb Score: +20 Toys R Us has LEGO Technic Bucket Wheel Excavator (42055) on sale for $199.98. Shipping is free, otherwise you may select free store pickup where available. Thanks GabaGool Deal Editor's Notes & Price Research: This set contains 3929 pieces and features an array of different motorized functions, such as forward and reverse driving, rotating bucket wheel, moving conveyor belt and rotating superstructure.