Cart “Reactor Core Expansion” has been added to your cart. View cart Available Coupons (0) Thumbnail image Product Price Remove item Grotto Bridge $7.95 remove Stone Wall Bendy Pack $4.95 remove Reactor Core Expansion $5.95 remove Cart totals Subtotal $18.85 Tax $0.00 Total $18.85 USD Proceed to checkout You may be interested in… Hedges $2.95 Add to cart Fuel Reservoir $9.95 Add to cart Roads and Telegraph poles $5.95 Add to cart Medical Facility Expansion $6.95 Add to cart Grotto Floors $9.95 Add to cart Drill Mech $4.95 Add to cart Rickety Bridges $9.95 Add to cart Grotto Walls $12.95 Add to cart