Meri Meri&reg; Big Rig Party Centerpiece Meri Meri Centerpieces, Big Rig is reusable. Have a fun and colorful party with this piece. Perfect for kids party with construction theme or anything that has to with trucks and vehicles. The centerpiece size is 23.5 inches length by 9.5 inches height by 6 inches width. Big Rig can hold up to 8 pieces of cupcakes or muffins. This centerpiece is self assembled and can be kept for another use.