Marble Genius Tubes, 30pcs Marble Run Accessory Set for Kids Ages 4+, Fun Building & Learning Educational Construction Add-on Kit for Teens STEM

Marble Genius Tubes, 30pcs Marble Run Accessory Set for Kids Ages 4+, Fun Building & Learning Educational Construction Add-on Kit for Teens STEM
Marble Genius Tubes, 30pcs Marble Run Accessory Set for Kids Ages 4+, Fun Building & Learning Educational Construction Add-on Kit for Teens STEM
Marble Genius Tubes, 30pcs Marble Run Accessory Set for Kids Ages 4+, Fun Building & Learning Educational Construction Add-on Kit for Teens STEM
Marble Genius Tubes, 30pcs Marble Run Accessory Set for Kids Ages 4+, Fun Building & Learning Educational Construction Add-on Kit for Teens STEM
Marble Genius Tubes, 30pcs Marble Run Accessory Set for Kids Ages 4+, Fun Building & Learning Educational Construction Add-on Kit for Teens STEM
Marble Genius Tubes, 30pcs Marble Run Accessory Set for Kids Ages 4+, Fun Building & Learning Educational Construction Add-on Kit for Teens STEM
Marble Genius Tubes, 30pcs Marble Run Accessory Set for Kids Ages 4+, Fun Building & Learning Educational Construction Add-on Kit for Teens STEM

Key features

  • 30 see-through marble run tube pieces allow you to see all the action.
  • Standard toy size marbles (5/8 inch or smaller) work with this set (no marbles included with this set).
  • Compatible with Marbulous Marble Run Toys including our Marble Genius Marble Run Starter Set (60 pc.), Super Set (85 pc.), Extreme Set (125 pc.), & 8 Accessory Sets.
CategoryMarble Runs
Size14.5 inches x 8.5 inches x 1 inch
ColorMulticolor

Marble Genius Tubes, 30pcs Marble Run Accessory Set for Kids Ages 4+, Fun Building & Learning Educational Construction Add-on Kit for Teens STEM

List Price: $33.81$30.43DEALYou Save: $3.38 (10%)
Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 23, 2026In Stock (1)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection

Customer Reviews

Reviews sourced from verified Amazon purchasers
4.9
out of 5
Based on 10 reviews
5
90%
4
10%
3
0%
2
0%
1
0%
Five Stars
AlexaMarch 29, 2018
Great toy. My son love this.
They have a great, tight fit
P. EricksenMarch 19, 2018
They have a great, tight fit. Some of the other imposter sets (Meland, etc) have a much looser fit and if you try to move things, it all falls apart.
Great product.
ChibiGemMarch 10, 2018
Same quality as ones that come with the kit. Great product.
Five Stars
StanleyMarch 4, 2018
A must!
Five Stars
Scott CarpenterJanuary 24, 2018
not just wonderful for our "just turned 4 year old" but daddy and mommy can join the creative adventures
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