I want to buy refills. what size gumballs should I buy? The small ones- dime size? or the large ones about size of a quater?

Thank you for your question! The gumballs that fit in the Gumball Machine Maker are about 5/8" (0.6"), so slightly smaller than a dime.

I use it with our marbles and marble run. Beware, however, some tricks just don't work well with the weight of the marbles. Luckily, my son loves it when the marbles fly off the track anyway.

Do you have a link to purchase refill gumballs?

I bought the dubble bubble 20oz gumball machine refill

How tall is the completed gumball machine?

The built Gumball Machine stands at 17 inches tall.

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Thames and Kosmosガムボールマシンメーカー。

Product ID: 733185214

Details

Age Range (Description)
Kid
Brand
Thames &
Item dimensions L x W x H
33 x 6.4 x cm
Size
M
Theme
Physics

🎢Dynamic stunt track with pulleys & trampolines

📏Fits standard 16mm gumballs perfectly

⚙️55 modular parts for endless builds

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$160.21

Duties & taxes included

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Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎉 Build. Learn. Amaze. Your physics playground awaits!

ENDLESS CUSTOMIZATION - Modular track pieces let you design unique gumball machines every time.
AWARD WINNING STEM FUN - Parents' Choice Silver Award winner blending education with excitement.
BEGINNER FRIENDLY BIG IMPACT - Easy assembly with clear instructions for ages 6+ to build confidence and curiosity.
NO BATTERIES PURE BRAIN POWER - Fully mechanical design sparks creativity without screens or power.
MASTER MECHANICAL PHYSICS HANDS ON - Explore Newton’s laws, energy transfer & gravity through fun gumball stunts.

The Thames and Kosmos Gumball Machine Maker is a 55-piece modular STEM kit that lets users build customizable gumball machines featuring dynamic stunts like pulleys, trampolines, and pinball launchers. Designed for ages 6 and up, it teaches core physics concepts such as Newton’s laws, energy transfer, and gravity through hands-on experimentation. This award-winning kit requires no batteries and fits standard 16mm gumballs, making it a perfect blend of educational fun and creative play.

Specifications

Model Number	550101
Number of Game Players	1
Number of Pieces	55
Batteries Required?	No
Batteries Included	No
Material Type(s)	Plastic
Target Gender	Unisex
Manufacturer recommended age	6 years and up
Release date	March 4, 2020
Item model number	550101
Product Dimensions	33.02 x 6.35 x 29.21 cm; 816.47 g
ASIN	B07P681B7K

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