- Model: 157<br />- Material: Plastic<br />- With colorful lights and sound effect<br />- An omni-directional wheel included<br />- Powered by 3 x AA batteries， not included<br /><br />                                                                                                                                Dimensions: 12.99 in x 2.44 in x 2.17 in (33.0 cm x 6.2 cm x 5.5 cm)<br />Weight: 9.84 oz (279 g)<br /><br />