Two hands working together15–18 months
Threading Beads
Large wooden beads and a stiff lace — the first work that genuinely requires both hands to do different jobs at once.
Affiliate link — we earn a commission at no cost to you.
- Offer it around
- 15–18 months
- Montessori principle
- Two hands working together
- What you may see
- Uses two hands for different simultaneous tasks
- Threads a lace through an opening
- Repeats a simple pattern
Threading is the first material most toddlers meet that cannot be done with one hand. One hand holds and steadies the bead; the other feeds the lace through and then pulls it out the far side. The two hands are doing different things simultaneously, under the direction of the eyes, and that combination — bilateral coordination — is genuinely difficult at fifteen months.
It is also, briefly, maddening. The lace goes in and stops. The bead falls off. Most children need several sessions before the first bead stays on, and the temptation to reach in and do it for them is strong. Resisting that is most of the skill of presenting Montessori work: watch, stay available, and let the struggle run as long as the child is still engaged rather than distressed.
Start with the largest beads and the stiffest lace you can find — ideally one with a rigid wooden tip that functions like a needle. Thin string and small beads turn a good material into an exercise in frustration. Once threading is fluent, the same beads support pattern work: red, blue, red, blue, which is the beginning of sequencing.
What to look for
- Beads at least 3cm across
- A lace with a rigid tip
- A wide bead hole relative to the lace
- A tray or bowl to contain them
Not this
Small craft beads. They are a choking hazard at this age and the holes are too fine to succeed with.
Safety
Laces are a strangulation risk — this is supervised, table-based work, and the lace goes away with the material.
Affiliate link — we earn a commission at no cost to you.
Also for 1–2 years
The rest of this stage
- Grading by sizeStacking RingsRings on a vertical dowel, graded largest to smallest — the first material that asks a child to order things rather than just place them.12–15 months
- Isolation of difficultySingle Shape PuzzleOne shape, one board, one knob. Four separate puzzles rather than one puzzle with four holes.12–15 months
- Practical lifePouring SetTwo small pitchers and a tray. The first true practical life work, and the one that starts a child serving themselves.12–15 months
- Care of the environmentChild-Size Broom and DustpanA working broom scaled to a toddler. Not a toy broom — one that actually sweeps.15–18 months
- Refinement of the auditory senseWooden Percussion SetReal instruments in miniature — bells, a wood block, maracas — that make a genuine tone when struck.15–18 months
- Isolation of difficultyDressing FramesA button, a zip and a snap, each mounted alone in its own frame so it can be practised away from the pressure of getting dressed.18–21 months
- Open-ended work with real materialsWooden Unit BlocksPlain hardwood blocks in mathematically proportional sizes, unpainted, with no pictures or letters on them.18–21 months
- Reality before abstractionNomenclature CardsCards showing one real, accurately depicted thing each — the Montessori answer to the cartoon flashcard.18–21 months
- Practical lifeFood Preparation SetA child-safe knife, a small board and a peeler — real tools for real food, which is what Montessori offers instead of a play kitchen.21–24 months
- Preparation of the handBeeswax Block CrayonsChunky beeswax blocks that need almost no pressure to leave a mark, and cannot be gripped in a fist.21–24 months
- The prepared environmentWeaning Table and ChairA table and chair at the child's own scale, low enough that they can sit down and get up entirely by themselves.21–24 months