Learning Resources Tumble Trax LER2821 Magnetic Marble Run

Learning Resources Tumble Trax LER2821 is a magnetic-foam marble run for children aged 6 to 10. Its reusable design combinations are intended to encourage engineering, problem-solving and critical thinking through hands-on play.

At a glance

Magnetic foam supports movable track layouts, with the listing describing multiple design combinations and levels of learning.
The manufacturer says the toy is intended to encourage engineering, problem-solving and critical thinking.
The packaging, guide and cards are described as multilingual.

Price

£25.32Save 15%

Reference price: ~~£29.95~~

Price checked: 14 Nov 2026

View offer Ahead of Black FridayExplore the selection

Pros and cons

Pros

Flexible track layouts give children room to experiment with different designs.
The stated 6-to-10 age range and STEM focus make its intended audience clear.
Customers report that it is easy to assemble and take apart.

Cons

Customer feedback raises concerns that pieces can fall off and that the magnets may not hold strongly enough.
Feedback is divided on the ball size, with some customers preferring larger balls.

Technical specifications

7 specifications

Identity
Brand	Learning Resources
Model	LER2821
Recommended age	6 - 10 years
Educational objective	STEM Skills

Dimensions and installation
Dimensions listed	32.4 x 26 x 7 centimetres
Weight listed	0.05 Pounds

Materials
Material listed	magnetic foam

What to know before buying

Listing details to confirm

The listed weight is 0.05 Pounds, while the dimensions are given as metric measurements. Treat these as listing details rather than independently verified measurements. The contents list names the marble run but does not specify separate components such as balls or track pieces.

What’s in the box

Included

Learning Resources Tumble Trax Magnetic Marble Run

Who is it for?

A good fit for

Children aged 6 to 10 who enjoy experimenting with marble-run layouts.
Families or educators looking for hands-on play around engineering and problem-solving.

Less suited to

Buyers who need strong magnetic hold or firm evidence that pieces will stay attached during play.
Anyone seeking a product with clearly itemised ball and track-piece quantities.

Learning Resources Tumble Trax LER2821 Magnetic Marble Run · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 1,420 ratings

5 stars76%76%
4 stars13%13%
3 stars8%8%
2 stars2%2%
1 star1%1%

Customer feedback often describes the concept as creative and educational, and some customers say assembly and disassembly are easy. Reports about magnetic strength are mixed, with concerns that pieces can fall off. Ball size also draws differing reactions. For buyers planning changeable layouts, the positive comments about design play are relevant, but the reported holding concerns are worth weighing. These are customer perceptions and do not establish how every set performs.

Positive themes

Customers describe it as an engaging learning toy with creative design possibilities.
Some customers report that assembly and disassembly are straightforward.

Negative themes

Some customers report weak magnetic hold and pieces falling off.

Mixed feedback

Customer reactions to ball size differ, with some preferring larger balls.
Feedback on magnetic strength is mixed.

Frequently asked questions

What age is the Tumble Trax intended for?

The listed age range is 6 to 10 years.

What is it made from?

The listed material is magnetic foam.

Are balls and track-piece quantities specified?

No quantities are given. The contents list names the Tumble Trax Magnetic Marble Run, so check the selected listing for the exact included components.

What do customers say about how it holds together?

Customer feedback is mixed about magnetic strength, and some report that pieces can fall off. This may matter to children who expect layouts to remain firmly in place.