This racing car model made from eco-friendly wood material is non-toxic and odorless. There is no burrs on the round and smooth edges, which wont scratch the hands easily. Kids can assemble the wood pieces together by themselves for a complete racing car model. It is a perfect choice to cultivate childrens patience, concentration, thinking and operation ability. Item Name: DIY Assembly RC Car Model Material: Wood, Electronic Components Car Power Supply: 2 x AA Batteries (Not Included) RC Power Supply: 2 x AA Batteries (Not Included) Feature: Interesting, Fine Craftsmanship, Teaching Aid, Great Gift Assembled Car Size: 11cm x 15cm x 11cm/4.33" x 5.91" x 4.33" (Approx.) Assembled RC Size: 3cm x 5.5cm x 2cm/1.18" x 2.17" x 0.79" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 Set of DIY Assembly RC Car Model (Including RC)