Arches Unit Block Bundle - 16 pc. set Storage door and stair details and

door and stair details and the open design encourage dramatic play across all three levels

STEM lessons and architectural design using the Unit Block Marble Run - 40 pc

PowerClix Natural integrate elements of natural play and loose parts theory with the innovative STEM toy building platform of PowerClix

Ages 18 months+

Arches Unit Block Bundle - 16 pc. set Storage door and stair details andExpand foundational unit block sets with just the pieces your builders need more of. Made to align with the same mathematical dimensions as traditional unit blocks, these add on sets are designed to be used as an enhancement to foundational sets.