Incredibly Interconnectable Toy KnuckleStrutz: Racerz Set (discontinued) options-1004-138 Includes Certificate of Conformance for

Includes Certificate of Conformance for flame retardancy

Electrical components provide students ages 8+ with hands-on experience designing and building models of working electrical circuits

Giant Polydron construction sets help children to understand spatial awareness from an early age

20 numbers

pint and cup

Incredibly Interconnectable Toy KnuckleStrutz: Racerz Set (discontinued) options-1004-138 Includes Certificate of Conformance forGet the Street Racerz Cars Set Building & Construction Toy Set Educational Toy set and take it to the streets with the Speedster, Street Racer, and the Dart! Build one of these speed hungry racers and have a race! This is currently the only KnuckleStrutz building set to feature the new smaller gears and tires, which no collection would be compete without!