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Oversized Building Sets

Encourage big ideas and active play with oversized building sets designed for young learners. These large-scale blocks promote creativity, collaboration, and problem-solving while supporting gross motor development. Perfect for classrooms and play spaces, Kaplan’s collection helps children build, explore, and learn through hands-on construction.

Jumbo Brick Blocks - 44 Pieces
Item: 300566
Status: In Stock
$54.95
2 years & up. Enhance building possibilities with a lightweight set of oversized blocks. Made from durable, heavy-duty cardboard, the Jumbo Brick Blocks are strong enough for continued use indoors. An authentic gradient of brick red colors, as well as illustrated textures introduce dramatic play possibilities into constructive activities. Simply fold each Jumbo Brick Block to create a variety of different shapes. Rectangle units measure 11"L x 5.5"W x 2.76"H, square half units measure 5.5"L x 5.5"W x 2.76"H, arches measure 11"L x 5.5"W x 2.76"H, triangles measure 10.7"L x 5.5"W x 2.76"H.
CONSTRUCT-A-SPACE
Item: 32886
Status: In Stock
$309.95
2 years & up. A versatile and fun set for building whatever a child can imagine! Use the flex connectors as hinges to further the design possibilities and bring your imagination creations to life. Set includes 76 durable plastic pieces: 18 beams, 18 large connectors, 24 small connectors, and 16 flexi connectors. Suitable for indoor and outdoor use. Made of 100% recycled plastic.
Jumbo Double Octagon Builders - 36 Pieces
Item: 30822
Status: In Stock
$44.95
18 months & up. Spark your child's inner architect with these colorful octagonal blocks. These sturdy, double octagon blocks are easy to stack and the jumbo size makes them ideal for the beginning builder. Watch their imagination soar! Children can follow their own plan, or they can share a friend's vision and work together to create something they never dreamed of. The plastic blocks are great for inside or outdoor block play. Includes 6 colors, 6 of each.
All-Weather Hollow Blocks - 22 Pieces
Item: 37933
Status: In Stock
$599.95
2 years & up. Children build towers, ramps, bridges, and imaginative structures-engaging in gross motor movement, spatial reasoning, and collaborative problem-solving as they work side-by-side. Block play also encourages early math concepts such as symmetry, size comparison, balance, and geometry, as well as language development through storytelling and peer interaction. UV-resistant material and weather-resistant hardware make this set resilient and ultra-durable in outdoor environments. Scaled to standard Unit Block size to enhance traditional block play. Compatible with traditional unit block sets, this 22-piece kit invites group creativity and supports development across cognitive, physical, and social-emotional domains. Each piece features .6 inch thick hollow walls. 22-piece set includes cubes, rectangular prisms, right triangles and planks.
World Landmarks - Set of 8
Item: 32431
Status: In Stock
$61.95
$56.95
18 months & up. Take children on a global adventure with these world landmarks. This set features detailed replicas of some of the world's most iconic structures, including the Great Wall of China, the Colosseum, the Taj Mahal, Mount Rushmore, the Sphinx, the Moai on Easter Island, the Arc de Triomphe in Paris, and the Temple of Inscriptions. These durable figures bring geography, history, and culture to life through hands-on exploration and imaginative play. Perfect for block play, STEM centers, and social studies lessons, these landmark models encourage children to build, recreate, and explore famous places from around the world. As children interact with the figures, they strengthen language development and expand vocabulary related to geography, architecture, and world cultures. The open-ended nature of the set also promotes storytelling, collaboration, and inquiry-based learning as children discuss where these landmarks are located and why they are important.
Mini Hollow Blocks in Different Shapes - 24 Pieces
Item: 88835
Status: In Stock
$209.95
3 years & up. This set is the smallest of the hollow blocks with all the features of the bigger sets. Features include bamboo fasteners for a smooth surface (no visible screw heads), sanded smooth finish, and rounded edges for safety. Encourage children to identify shapes and use their imaginations to build wonderful structures. This set, perfect for small hands, will promote creativity. Pieces measure from 2.75" wide and up to 11.5" long. 24 pieces.
Timber & Crosscut Builders - 30 Pieces
Item: 32146
Status: In Stock
$169.95
3 years & up. These realistic timbers and crosscuts offer children endless building possibilities. The ten 12" timbers, ten 3.5", and ten 6.5" crosscuts are made of foam and are perfect for indoor or outdoor use but not meant to be left outside. Activity card(s) included.
Brick Block Large Building Set - 44 Pieces
Item: 33316
Status: In Stock
$75.95
2 years & up. These assorted jumbo building blocks are made of premium, heavy-duty cardboard. This 44-piece set is large enough for group play and features three sizes of bricks for constructive imaginative play. Unleash your child's creativity with these lightweight and easy to stack jumbo building blocks. 44-piece set includes: 28 small bricks (6" x 3" x 3"), 8 medium bricks (6" x 6" x 3"), and 8 large bricks (12" x 6" x 3"). Colors include red, blue, and yellow. Truck not included.
Grid Blocks
Item: 46547P
Status: In Stock
$174.95 - $279.95
18 months - 5 years. Perfect for indoor or outdoor play, Each block is easy to fit together. Each set includes square blocks, both solid and see-through, as well as triangular blocks for corners and pointed roofs. 12"L x 12"W x 2.5"H.
See Options for Grid Blocks
Giant Polydron Giant Gears
Item: 32885
Status: In Stock
$174.95
2 years & up. Encourage children to explore their creativity as they build and discover basic engineering skills. Assemble structures using squares and triangles and add gears by simply pushing them into place. Once connected, turn one gear and see the rest of them rotate! Contains 58 durable, lightweight plastic pieces suitable for indoor and outdoor use. Includes: 24 squares, 4 triangles, 10 square gear panels, and 20 gears. Made of 86% recycled plastic.
Straws and Connectors Sets
Item: 17471P
Status: In Stock
$31.95 - $49.95
4 years & up. Straws and Connectors are ideal in helping children develop Science, Technology, Engineering®, and Math (STEM) skills. It allows children to enhance hand-eye coordination, motor skills, logic, and problem-solving skills all while playing. Build a fort, rocket, boat, tower, tunnel, or bridge! Design your own scientific model, or create something unique. The opportunities are endless! The straws fit snugly on the connectors and are flexible so you can build arches and tubes. Two sets are available: 400 piece set includes 232 straws and 168 connectors, and the 230 piece set includes 130 straws and 100 connectors.
See Options for Straws and Connectors Sets
Notch Builders - 89 Piece Set
Item: 31203
Status: In Stock
$569.95
3 years & up. Great for indoor or outdoor use, this 89 piece set is made from FSC certified eucalyptus wood and weathers to a soft gray if left outdoors. Feature smooth sanded edges and notches that lock together allowing for big structures and endless building possibilities. With varying shapes and sizes, there are plenty to share, encouraging group participation. Smallest piece measures 6"L x 3"W. Largest piece measures 30"L x 3"W.
Outdoor Hollow Blocks - 25 Piece Set
Item: 33945
Status: In Stock
$999.95
3 years & up. Combine the creativity inherent in block play and gross-motor energy with Outdoor Hollow Blocks. Made of FSC certified eucalyptus wood, the framed blocks and flat boards in varying sizes allow for substantial, interactive group builds during outdoor play. Blocks feature smooth-sanded edges and surfaces and durable construction meant to withstand rugged, outdoor play. Follow care instructions included for proper maintenance. Store in a dry, shaded area.