Duplo Medium Stone Gray Wheelbase 4 x 8 with Yellow Wheels (15319 / 24911)

Duplo Medium Stone Gray Wheelbase 4 x 8 with Yellow Wheels has been used in at least 23 LEGO sets over the past 16 years, since it was first used in 2008. You can also find this part in at least 5 other colors. It has the design IDs 15319, 24911 which can usually be found molded into the bottom of the part.