We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in

Educational Toy 28pcs 20mm

SKU CH-87GW-KH1EC

A set of 28 rainbow-coloured 20 mm magnetic hematite stones for tactile building, stress relief and educational play, suitable for ages 15 and up

  • MaterialPlastic
  • Sports TeamNO
  • 28 rainbow stones spark creativity and focus
  • 20 mm smooth magnets snap together for stress relief
  • 15+ age rating keeps play safe for teens and adults
  • Pocket-sized set travels anywhere for on-the-go fidgeting
  • Durable plastic construction withstands daily handling and washing

Product identity

This is a set of 28 rainbow-coloured magnetic stones measuring 20 mm each, supplied as an educational fidget and building kit. It is intended for users aged 15 and older who want a tactile desk toy for stress relief or creative construction.

Thermals noise and power

The plastic and magnet pieces have no moving parts, electronics or power supply, so they produce no heat, no fan noise and draw zero power during normal handling. They operate silently on any flat surface or magnetic board.

Deciding specification

The pack contains exactly 28 stones at the larger 20 mm diameter, giving a greater tactile feel and stronger magnetic hold than smaller sets. Buyers who need a higher piece count or smaller beads for intricate models should look elsewhere.

Highlights

  • 28 rainbow stones spark creativity and focus
  • 20 mm smooth magnets snap together for stress relief
  • 15+ age rating keeps play safe for teens and adults
  • Pocket-sized set travels anywhere for on-the-go fidgeting
  • Durable plastic construction withstands daily handling and washing

Specifications

MaterialPlastic
Sports TeamNO

Questions about this item

How do I start building shapes with the 28 magnetic stones and which step do beginners usually miss?

Begin by grouping the 20 mm balls into small clusters before attempting larger structures; the step most people skip is checking polarity on each sphere so the pieces attract instead of repel.

What upkeep will the 28-piece set need over time?

Wash the plastic spheres with mild soap and water when they get dusty, dry them thoroughly, and store them in the supplied container to prevent the magnets from chipping or collecting metal debris.

At what point does the 20 mm size become a handling limit during extended play?

After about 15 minutes of continuous building the larger 20 mm diameter can feel heavy in smaller hands, so younger users often switch to shorter sessions or lighter pieces.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.