What kind of batteries does the booster take?

If your handy with simple electronics you can get like a charger. I used the one for my old braun electric shaver. Just cut off the end that attaches to the shaver. Buy some alligator clamps like at lowes and attach the positive and negative cables to the clamps. Then just clamps negative to where the negative side of the battery would go.then same for positive. Or unscrews the botton and attach each lead to the motor. I did it and works fine. Kept using batteries for my nephew. Recently i took built in motor for an air mattress air pump. I had to modify everything but pretty fun. It kinda overpowered now launching car had to have a tunner on the exit because they catch air but the tunnel took care of that.

Is this powerful enough to launch it through the infinity loop?

No. It’s great to regain speed with a long stretch of track but it will not work with the infinity loop (we have one )

How do you select either of the two speeds mentioned in the description?

Hi Jon, Unfortunately, there is only on or off. The listing description is not entirely accurate. It is a different version of the booster that has two speeds. I have submitted for it to be changed but since many sellers contribute to the listing description it is not guaranteed to be corrected. It does offer a high-speed boost, I have seen some comments offering it is not a fast boost - I think in that scenario it is the width of the car that is not allowing it to be "boosted" enough. My grandson and I use these boosters quite a bit and find they give a car enough of a boost to make a full loop, some even two. I would also recommend using quality batteries. Thanks!

Gbn81 Track Builder Booster Pack Includes 1 Mini Car

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Description

⚡ Boost your race, build your legacy!

PLUG PLAY FUN - Easy setup with no assembly required—just add 2 AA batteries and race! 🔋
UNLEASH TURBO POWER - Instantly accelerate your mini cars with the Track Builder Booster ⚡
FAMILY FUN FOR ALL AGES - Perfect for kids 6+ and nostalgic pros alike—ignite imagination and friendly competition 🎉
GLOBAL RACE INSPIRATION - Recreate iconic tracks from around the world or design your own city circuit 🌍
ENDLESS TRACK CREATIVITY - Combine with straights, loops, curves, and ramps to build your unique racecourse 🔗

The Hot Wheels GBN81 Track Builder Booster Pack is a dynamic accessory that accelerates mini cars on customizable tracks. Compatible with other Track Builder sets, it enables endless creative course designs featuring straights, loops, and ramps. Powered by 2 AA batteries (sold separately), this booster is ideal for kids aged 6 and up, fostering concentration, creativity, and imaginative play. A must-have for Hot Wheels enthusiasts looking to elevate their racing experience.

Specifications

ASIN	B07CGKZSCF
Age Range Description	6 years old and up
Amazon Bestseller	#5,393 in Toys & Games ( See Top 100 in Toys & Games ) #21 in Kids' Motor Vehicle Playsets
Assembly Time	1 Hours
Brand Name	Hot Wheels
CPSIA Cautionary Statement	Choking Hazard - Small Parts, No Warning Applicable
Color	[1] Booster
Customer Reviews	4.4 out of 5 stars 28,839 Your Review
Educational Objective	Concentration, Creative Thinking, Imagination Development
Global Trade Identification Number	00887961719963
Included Components	No
Includes Rechargeable Battery	No
Is Assembly Required	No
Is Electric	Yes
Item Dimensions	8 x 15 x 13 cm
Item Type Name	Mini Car Diecast Car
Item Weight	0.49 Kilograms
Manufacturer	マテル(MATTEL)
Manufacturer Maximum Age (MONTHS)	1188
Manufacturer Minimum Age (MONTHS)	72
Manufacturer Part Number	GBN81
Material Type	Polypropylene
Model Name	truck builder
Model Number	GBN81
Model Year	2018
Not for Kids	No
Number of Batteries	2 D batteries required.
Number of Pieces	4
Occasion	Anniversary, Birthday, Children's Day, Christmas, Entrance kindergarten and school
Pattern	Single Item
Product Style	7,Booster
Remote Included	No
Scale	Z
Size	35.56 x 5.4 x 21 cm
Sub Brand	ホットウィール(Hot Wheels)
Subject Character	Hot Wheels
Theme	Traffic
UPC	887961719963
Unit Count	1.00 Count

Reviews

K**3

安いのが嬉しい、コース設計が楽しくなります

安いと思います。この直線コースだけでは楽しさも半減、是非カーブも購入してコース設計してください。本国よりもコースのバリエーションが少ないのが残念ですが大人も子供も楽しめます。ラジコンのホットホィールを走らせるとさらに楽しいですよ。

10.12.2025

ひ**し

孫と遊びました

４歳になる孫にプレゼント黙って見ていたら、たちまち組み立てました他社製のミニカーも使用出来ました孫もいっぱいミニカーをためして大喜びでしたもう少しレールなどのパーツが多ければなお良い

11.11.2025

じ**お

短いコースだけどgood

孫が大喜びで遊んでます。コース延長したいけど２台でのレースが出来なくなるかな？

15.03.2026

L**O

Good

21.02.2026

黒**桃

使い捨ておもちゃ

アクロバット走行に子供が大喜び遊んだ後のお片付けや再度組みたてには丁寧な力加減が必要で、幼稚園児は２、３回でレールの継ぎ目を壊してしまいました。類似商品が、クレーンゲームの景品で見かけることがあり、それなりの材質で長く遊べるおもちゃではありません

12.08.2025

Q**P

孫が興奮していました

孫のために購入しましたが､勢い良く飛び出すのに興奮していました。購入して良かったです｡

27.01.2025

愛**紗

買ってよかった！！

パーツが足りなかったが、メーカーに連絡したら送ってもらえた。対応も良く、息子もお気に入りで遊んでいるので大満足。

23.04.2026

前**治

ケンメリ

良く出来てます。３歳くらいの子供はスタートのセットが出来ません。ゴムが強いので。

18.04.2025

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GBN81 Track Builder Booster Pack (Includes 1 Mini Car)

Description

Specifications

Reviews

Common Questions