Discovery Stackers - Arch

$44.98 ~~$89.95~~ In stock

An upgrade from the classic nesting toy, the extremely resilient and durable pieces in the Discovery Stackers sets enhance open-ended play indoors and outdoors. The curved shapes encourage children 2 and up to explore relationships in balance and organic geometry. Available in a gradated, nature-inspired color scheme or vibrant rainbow colors, this arched set bridges the gaps between various play patterns and brings a new life to light play. Each set includes 5 solid, arched pieces and double-sided inspiration cards complete with ideas for play, relevant vocabulary, and beautiful imagery. The largest arch measures 8.1"L x 2.8"W x 3.9"H.

Safety Tested

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Quality Materials

Innovative Design

Rooted in Theory

Toys That Teach

Our collection of educational toys have been designed to encourage early development, spark curiosity, and inspire hands-on learning through play.

Rooted In Theory

Industry experts, educators and parents design our toy sets based on every child’s innate patterns of play.

Made To Last

We prioritize quality and create toys that are built to last (and not end up in a landfill!). Durable, easy-to-clean materials make Guidecraft learning toys the right choice for the home and classroom.

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Customer Reviews (4.6 / 5 · 5 reviews)

Ava F. ★★★★★ Sep 7, 2026

My two-year-old has been stacking these arches in the garden all week and they've taken some serious tumbles without a scratch. The curve makes them way more interesting than plain blocks, and they're easy for small hands to grip.

Stella Y. ★★★★★ Sep 5, 2026

My two-year-old has been stacking these arches into towers, tunnels, and even little bridges for her toy animals. The fact that they can handle being thrown around the yard and still look brand new is what sold me. Watching her figure out new ways to balance them is honestly the best part of our aft

Christopher ★★★★★ Sep 3, 2026

My two-year-old has been stacking these arches into tunnels and towers all week, and they’ve survived every throw and stomp without a dent. The curved shapes are perfect for open-ended play—they’ve been a castle, a bridge, and a slide in one afternoon.