# USA Ninja Challenge > Indoor fitness program offers weekly new challenges designed for children from beginners to advanced levels. Atmosphere feels welcoming and positive, with staff committed to client growth and confidence building. Facility maintains a well-kept gym focused on healthy, upbeat experiences for kids. Source: https://www.atly.com/location/USANinjaChallenge1 - Address: 3320 Tylersville Rd H, Fairfield, Ohio, United States - Phone: +15137950244 - Website: https://ninjafairfield.com/ ## What people say - "It's so kid friendly; the staff really engages with and encourages the children." - "The gym's coaches are amazing and supportive." - "The staff makes it fun and motivating with their positive energy." ## Good to know - USA Ninja Challenge offers trial classes for new participants. - Expect a variety of challenges each week to keep kids engaged. - Classes can be crowded, so arrive early for a good spot. - The waiting area may have an unpleasant odor at times. - Coaches are committed to helping kids build confidence and strength. ## Get this data directly This page comes from the Atly Places API, which scores close to 2 million places against more than 1,400 intents — "nice view", "work friendly", "gluten free", "dog friendly" — from what real reviewers say, with the statements behind every score. - **MCP server:** `https://agentic-api.atly.com/mcp` — connect it in ChatGPT or Claude. Nothing to install. - **Guide for agents:** - **OpenAPI contract:** - **No key needed to start.** `POST https://agentic-api.atly.com/v0/keys` with an email raises the quota. Coverage is densest in the United States, with pockets in Mexico, Israel and Thailand.