Check the listing for details. Kaplan Early Learning Texture Time: Toddler Loose Parts STEM Kit. Condition: New. Listed at 109.95 USD. 18 months & up. The possibilities of discovery are multiplied when rich variables are at children's fingertips. Container Play: Toddler Loose Parts STEM Kit is a laboratory of opportunity to experiment and explore various loose parts with different textures and colors. Sorting by color, size, and shape, as well as creating patterns, helps toddlers develop problem-solving and basic math concepts. The kit includes a felt tray for sorting and classification of loose parts and measures 12.6"L x 12.6"W x 3"H.