Pacer XT-70 Adjustable Skates
These adjustable skates can be used indoors or outdoors.  They're great for growing children.  Each pair is adjustable up to 3 sizes, it's like buying 3 pairs of skates for the price of one.  A great value.  
 
Boots: Adjustable shell with removable comfort lining and buckle closures.
Plate: Plastic, adjustable plate.
Wheels: Polyurethane (injection) Wheels
Bearings: 608ZB sealed bearings
Sizes: Boy's black small 12J-1, medium 2-4, Girl's white small 12J-1, medium 2-4