Montessori Roman Arch wooden puzzle / Montessori sensorial material / gifts for children imported_from_etsy_23684 natural wood · Includes 9

natural wood · Includes 9 hundred squares + 9 tens bars + 20 unit beads + wooden unit base + free digital worksheets · Optional number cards available at checkout · Ages 4+ (with supervision) · Suitable for kindergarten through Grade 3

Take halves skittles and hold it upside down

Red — cylinders vary in diameter only

and say "It is one whole"

- longest: ten bead chain is 35 inches

Montessori Roman Arch wooden puzzle / Montessori sensorial material / gifts for children imported_from_etsy_23684 natural wood · Includes 9Montessori Roman Arch Wooden Puzzle Large Size Sensorial & Engineering Activity The Romans built structures that have stood for 2,000 years using nothing but the arch. With this set, children discover why. They place each block carefully, use the standing tools to hold the arch in progress, then remove the supports and watch the arch stand on its own. The moment it holds is the lesson. What's included 35 wooden block pieces 1 large base 3 standing