... and scientific,(4)Commercial use: Suitable for different site, indoor or outdoor, easy to use, could be folded, ... and inflatable products. Such as kiddy rides, coin-operated game, mechanical bull rodeo, mechanical surfboard , carousels, inflatable bouncers ... and inflatable products. Such as kiddy rides, coin-operated game, mechanical bull rodeo, mechanical surfboard, carousels, inflatable bouncers, ...