# Brooklyn Ninja Academy > Obstacle course features monkey bars, rope swings, and frequent changes to keep challenges fresh. The gym maintains a clean environment despite a stuffy, sweaty atmosphere when air conditioning is off. Classes run smoothly with engaging coaches who create a fun, relaxed vibe for active kids and their parents. Source: https://www.atly.com/location/BrooklynNinjaAcademy - Address: 340 4th Ave, Brooklyn, New York, 11215, US - Hours: Sunday: 09:00 AM - 06:00 PM Monday: 12:00 PM - 09:00 PM Tuesday: 12:00 PM - 09:00 PM Wednesday: 12:00 PM - 07:30 PM Thursday: 12:00 PM - 09:00 PM Friday: 12:00 PM - 08:00 PM Saturday: 09:00 AM - 07:00 PM - Phone: +19179090944 - Website: http://ninjabrooklyn.com/ - Google rating: 5 (76 reviews) ## What it is good for - Fun Activities — 10/10 - Gyms — 10/10 - Kid Friendly — 10/10 - Party — 8.3/10 - Birthday Parties — 6.7/10 ## What people say - "The coaches here are amazing and patient with kids." - "The staff at this gym are super attentive and genuinely care." - "It's a great place for kids to have fun and exercise." ## Good to know - The facility is clean and well-maintained. - The instructors are experienced and engaging. - Brooklyn Ninja Academy offers summer camps and weekly classes. - Birthday parties can be hosted at this venue. - Classes focus on strength and agility training. ## 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.