Transformers Robots in Disguise 3-Step Changers Stealthasaurus Rex Grimlock Action Figure

In the Transformers: Robots in Disguise animated series, Bumblebee leads a team of Autobots.

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Description & Features+

In the Transformers: Robots in Disguise animated series, Bumblebee leads a team of Autobots. Their mission: capture Decepticons that are loose on Earth … and do it without being discovered. Join Bumblebee and his team and help them chase down Decepticons with Transformers: Robots in Disguise figures. This Grimlock figure changes between modes in 3 quick steps.
They've done it on TV -- Transformers robots moving at top speed, then magically shifting between modes. One moment they're high-performance vehicles, and the next moment they're towering robots charging into battle. Transformers 3-Step Changers bring home some of the magic of conversion with figures that kids switch between modes in 3 smooth steps. Choose from a variety of different conversion styles, designed to create a "Wow!" moment.
Grimlock loves punching Decepticons. He's always ready to join the battle and smash some bad guys. Thing is, his alternate mode -- T-Rex -- doesn't blend in too well when the team is traveling around Crown City. The big goofball is always looking for ways to disguise himself and join the mission. He rescans his armor with a stealth look he's convinced will blend in with the scenery and calls himself a Stealthasaurus Rex. Because, you know, a made-up dinosaur is much more normal than a real T-Rex. No one who sees him will suspect a thing...
This 3-Step Changers Grimlock figure switches between modes in 3 smooth steps! Convert from robot to T-Rex and back and seamlessly continue the battle.
Transformers: Robots in Disguise figures unlock content in the Transformers Robots: in Disguise app. Scan the Autobot shield on this figure to unlock Grimlock and a staff. Download the app, scan the shield to activate the code, unlock, and play. App content is for ages 9 and up (see below for app details,)
Transformers and all related characters are trademarks of Hasbro.

▪ Ages 5 and up
▪ Adult assembly required. No tools needed.
▪ Transformers: Robots in Disguise app works with select iPhone, iPad, iPod touch, and Android devices.
▪ App content ages 9 and up
▪ Check for details.
▪ Updates may affect compatibility.
▪ Available at least through June 30, 2018.
▪ Not available in all languages/countries.
▪ Hasbro is only responsible for Hasbro-generated content. Please refer to third party terms and conditions for further information.
© 2015 Hasbro. All Rights Reserved.
Manufactured under license from TOMY Company, Ltd.
Apple, the Apple logo, iPhone, iPad and iPod touch are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc. Google Play and Android are trademarks of Google Inc.
• Includes Grimlock figure
• 3-Step Changers Grimlock figure
• Changes from robot to T-Rex and back in 3 steps
• Scan the figure to unlock content in the Transformers: Robots in Disguise app
• Unlocks Grimlock and a staff in the app
• Figure scale: 8 inches


Available for Shipping to Grab & Go Locker
Available for Shipping to Canada Post
Choking hazard warning
Age 3-5
Product Identifiers
Walmart Item #

From the Manufacturer +

Ratings & Reviews+

Transformers Robots in Disguise 3-Step Changers Stealthasaurus Rex Grimlock Action Figure is rated 4.5 out of 5 by 2.
Rated 4 out of 5 by from My Son Likes it My son likes it, except it's a little hard to figure out how to transform it initially.
Date published: 2017-01-14
Rated 5 out of 5 by from Transformer Transforms in three steps which is good for my 4 year old!
Date published: 2016-12-30
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