Building Blocks School Set, Basic, Neon, & Pastel Colors, 3600 Pieces Kits & Activities>>Design Your Own Projects>>Artist Cups a "Shapes" header

a "Shapes" header

Sand sold separately online

and the puzzles are self-correcting--each piece has only one match that fits--so children can play independently and learn at the same time

3⁄16" thick

phthalate-free materials

Building Blocks School Set, Basic, Neon, & Pastel Colors, 3600 Pieces Kits & Activities>>Design Your Own Projects>>Artist Cups a "Shapes" headerPlus Plus is a whole new class of construction toy! One simple shape contains endless possibilities and hours of fun. Each piece easily connects to the next and lets your imagination create colorful flat mosaics or work in 3 D to make more intricate builds. Even curves are possible thanks to the unique design of this deceptively simple shape! A perfect STEM toy to develop fine motor skills, focus and patience as well as design, imagination and