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.

Thames And Kosmos Gumball Machine Maker

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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€ 117.85

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Sold byAmazon SpainDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎉 Build, learn, and wow—your physics playground awaits!

PERFECT STEM GIFT - Ideal for curious minds aged 6+, blending education and entertainment in one captivating kit.
PHYSICS IN ACTION - Explore Newton’s laws, momentum, and energy transfer through hands-on, thrilling gumball stunts.
INTERACTIVE LEARNING FUN - Trial-and-error gameplay sharpens problem-solving skills while keeping you hooked on every run.
SLEEK FUNCTIONAL DESIGN - Clear storage globe dispenses one gumball at a time, combining style with sanitary convenience.
ENDLESS CREATIVE ENGINEERING - Modular track pieces let you design limitless gumball machine layouts, fueling your inner innovator.

The Thames & Kosmos Gumball Machine Maker is a medium-sized STEM kit that lets users build customizable gumball machines with modular plastic tracks. It teaches core physics concepts like force, motion, and energy transfer through interactive stunts such as pulleys, trampolines, and pinball launchers. Compatible with standard 16-mm gumballs (included), this hands-on kit encourages trial-and-error learning and problem-solving for kids aged 6 and up, making physics irresistibly fun.

Specifications

ASIN	B07P681B7K
Age Range Description	Toddler,Kid
Best Sellers Rank	#26,345 in Toys & Games ( See Top 100 in Toys & Games ) #210 in Educational Science Kits
Brand Name	Thames & Kosmos
Customer Reviews	3.9 3.9 out of 5 stars (2,264)
Educational Objective	Physics, Problem Solving Skills, Trial-and-Error Learning
Global Trade Identification Number	00814743014121
Included Components	plastic track segments, rubber bands, plastic storage globe in two parts, manual, 5/8-inch gumballs, manual
Is Assembly Required	Yes
Item Dimensions	13 x 2.5 x 11.5 inches
Item Type Name	Physics STEM Experiment Kit
Item Weight	1.6 ounces
Manufacturer	Thames & Kosmos
Manufacturer Maximum Age (MONTHS)	360.0
Manufacturer Minimum Age (MONTHS)	72.0
Manufacturer Part Number	550101
Manufacturer Warranty Description	1 Year Warranty Against Manufacturer Defects
Material Type	Plastic
Model Number	550101
Set Name	Gumball Machine Maker
Size	Medium
Theme	Physics
UPC	814743014121
Unit Count	1.0 Count

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TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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